OpenTechnical

OT-2026-000081566

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081566) never changes.

Identity and time

Publication numberOT-2026-000081566 · never reused
Internal UUID01a0ae97-0f71-70ad-84ba-6188c714e1bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081566
StatusPUBLIC

Content hashes

Canonical text63d32039cb6bd36692a13a41a6046e840659bc433a8270c8fc055f3dfab3dfd1
Markdownf93aec37ffffefaa13963a1ada49b231d5c1274338e50d7d8ac6bbfe5961ea1b
PDF
Publication page140ac6fbb153ab583246720543bf489af3122eabb3a437dd1eda6ec56a0f7e77
Manifest1bb39504a62a73417bc1a7f83201f0d5a21b502dc5ae3074c813e1418734b2f3

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
SignatureHiZsC8FqYhhGxqiG99eYVtXoaDcPSnvmmRak281Bdsl2vQ8Hcz+rImCz0wb0AlPr7pxw4UKYXiEmEcIFNBz/DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:35.731279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081566
observed 140ac6fbb153ab583246720543bf489a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.711610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081566/manifest.json
observed 1bb39504a62a73417bc1a7f83201f0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.692919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081566/publication.md
observed f93aec37ffffefaa13963a1ada49b231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.673687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081566/publication.txt
observed 63d32039cb6bd36692a13a41a6046e84...
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.