OpenTechnical

OT-2026-000056918

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000056918) never changes.

Identity and time

Publication numberOT-2026-000056918 · never reused
Internal UUID01a0ae87-7af9-7864-94ca-57a9653044a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056918
StatusPUBLIC

Content hashes

Canonical textdb3316b28b89e5f67356e9ff6d5a59886ef7426f4977374826e5c666d9b74b4b
Markdown965ed2bd981c4b1d473b9c7493e09c9a1bd50329a3361c76c2f0454ce6d3d927
PDF
Publication page40763fe9fa28800794dae636be88c9fb6321c92e487a9ca91927eaeedaac09d3
Manifestee3ee57d5408e38ca6afcb28455ac8bcd4a7597cfe539ee4160c52f32cadd88f

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
SignatureNowxgEuC1kHdrI0Tvk0LF2SLgvZoCVblHW1s8lC3PwlgrH49FmDKIkHF5TaNs2tRivV5ELfAeXtN9x7xxWPLBw==
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

2026-09-17T10:50:27.771691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056918
observed 40763fe9fa28800794dae636be88c9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.754173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056918/manifest.json
observed ee3ee57d5408e38ca6afcb28455ac8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.734889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056918/publication.md
observed 965ed2bd981c4b1d473b9c7493e09c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.716523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056918/publication.txt
observed db3316b28b89e5f67356e9ff6d5a5988...
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.