OpenTechnical

OT-2026-000057113

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057113) never changes.

Identity and time

Publication numberOT-2026-000057113 · never reused
Internal UUID01a0ae87-d5b8-766b-a841-947c1ca13c99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057113
StatusPUBLIC

Content hashes

Canonical text4e92025d2c3bd39204b2a5d168f592c8fb4c7003b6328ae6ac669c03307e6600
Markdown6292b3474637f7ba6dfdffcd2d06ac1552613a92bb8cdf4b3dd7d12965134423
PDF
Publication pagec5d2e96a15ce855cdd03f02ae962832428a0ab35b96b725d8b857adf3aa09187
Manifest76508a3ec3c597089f6ccdb7497206ce9e714bc1faedd5f76d04db63b43ea2f3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature9leY0NtsX1yfw6dpCWSSXds2odJwOzYN7CBRMjob0D4gqMG53lbBYCc7NfTt/6uKQ9urHc2EPQFy2ANaNfLeBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:05.055621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113
observed c5d2e96a15ce855cdd03f02ae9628324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.039561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113/manifest.json
observed 76508a3ec3c597089f6ccdb7497206ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.021400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113/publication.md
observed 6292b3474637f7ba6dfdffcd2d06ac15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.005717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113/publication.txt
observed 4e92025d2c3bd39204b2a5d168f592c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.796306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113
observed c5d2e96a15ce855cdd03f02ae9628324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.780468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113/manifest.json
observed 76508a3ec3c597089f6ccdb7497206ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.763506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113/publication.md
observed 6292b3474637f7ba6dfdffcd2d06ac15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:13.746162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057113/publication.txt
observed 4e92025d2c3bd39204b2a5d168f592c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.