OpenTechnical

OT-2026-000055553

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000055553) never changes.

Identity and time

Publication numberOT-2026-000055553 · never reused
Internal UUID01a0ae86-a102-775b-9fbd-04f9bb4d768a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055553
StatusPUBLIC

Content hashes

Canonical text38a9c0538a5c9833fdff81d2ac089b39b70c1ca386d61e44b82393dc5bd86ffd
Markdown27097788704bb2f5797e46ad7d4e304a2eb4905d5e8cf109add579dccc07b9c1
PDF
Publication page51bd191122497a056942fd6b54c67a6eae6fef9b767bef71464bbfd3f148d9a4
Manifest8cb98e833fe2861c5f8231e2ad6c6c95bcd98b7fd79655d2d77789ddcb39aa50

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
Signature2Uc62jBdxaliiRb90fPVtO31VeSMI+D8EIyumPFcgc2Ruzx/23jVivz3AZVvrFj/pdJJak+UU13JhiXuuehODg==
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

2026-09-17T10:52:46.505370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055553
observed 51bd191122497a056942fd6b54c67a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:46.487681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055553/manifest.json
observed 8cb98e833fe2861c5f8231e2ad6c6c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:46.470391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055553/publication.md
observed 27097788704bb2f5797e46ad7d4e304a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:46.452663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055553/publication.txt
observed 38a9c0538a5c9833fdff81d2ac089b39...
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.