OpenTechnical

OT-2026-000068272

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000068272) never changes.

Identity and time

Publication numberOT-2026-000068272 · never reused
Internal UUID01a0ae90-247f-7812-94c0-6349e55b05a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068272
StatusPUBLIC

Content hashes

Canonical texta29580cd34672d0b697cc2d60b94654ec4c56334bfe33ad471b0b0ab8454176c
Markdownebc2c15aeefc01ad84821c50b1611339c0b2c7ae1f05e8181a37884febad4889
PDF
Publication page56100e4bde48a619302cf6416919b79e6d33b524dde7cc3137e190ca1764ded7
Manifest18cd08fb18868880b709033422e76caedb85bf787aba7954423691304a8ddc61

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
SignaturebiynhqjF1nFPCLM/kvJwcQFXvcS/dAL41ICVsCw9CeJBU0XskDqd5p5KvbTnHRFAi3DCv8/0gtnhkQeIdl9bBw==
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

2026-09-17T10:29:17.935974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068272
observed 56100e4bde48a619302cf6416919b79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.919049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068272/manifest.json
observed 18cd08fb18868880b709033422e76cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.902858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068272/publication.md
observed ebc2c15aeefc01ad84821c50b1611339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.886841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068272/publication.txt
observed a29580cd34672d0b697cc2d60b94654e...
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.