OpenTechnical

OT-2026-000062766

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000062766) never changes.

Identity and time

Publication numberOT-2026-000062766 · never reused
Internal UUID01a0ae8c-6389-7a78-a271-6183a4291d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062766
StatusPUBLIC

Content hashes

Canonical text688dee1435c60db6ad48ae21671f321de3c4b985286389c29292d3efe30a1dfa
Markdowna80188a0fe4beabea1ea91bff072587bc708efbea61a0976c35a12b8aa700c3a
PDF
Publication page883961bf9091169a63e2f1fb25c1a2d8732bbac8935ad1aacb00a881ee8600e6
Manifest6b0a29ba2f873e2e996757d157f9df82217da35b83a6b6daa76bddadda38c241

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
Signature+LSJoNRNSid/IbqxQ5gVcestijw/YbWRooqyncJFJkVG4nNz/3GpHCByN0hD3w2tezyYkdPiIA8euw4NocmbAA==
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

2026-11-01T00:41:28.631521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766
observed 883961bf9091169a63e2f1fb25c1a2d8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T00:41:28.574920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766/manifest.json
observed 6b0a29ba2f873e2e996757d157f9df82...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T00:41:28.509217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766/publication.md
observed a80188a0fe4beabea1ea91bff072587b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T00:41:28.326814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766/publication.txt
observed 688dee1435c60db6ad48ae21671f321d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.028426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766
observed 883961bf9091169a63e2f1fb25c1a2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.012116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766/manifest.json
observed 6b0a29ba2f873e2e996757d157f9df82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:20.994584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766/publication.md
observed a80188a0fe4beabea1ea91bff072587b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:20.976709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062766/publication.txt
observed 688dee1435c60db6ad48ae21671f321d...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent