OpenTechnical

OT-2026-000040974

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, sustained blow-off after set-down

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-2026-000040974) never changes.

Identity and time

Publication numberOT-2026-000040974 · never reused
Internal UUID01a0ae79-6d11-7bf7-9a58-6f379db8ebce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040974
StatusPUBLIC

Content hashes

Canonical texte3301ac6635079a205bcdf7a1630dce48f4a0e26993e67e00339f9dc05326fa9
Markdown1c37f30584d853465996d08ab24e6c422c2bcbac3494740529f9b84e4e587b45
PDF
Publication page0fa908a038e3ec4d895ede37aedc5a72414201b11d737e3a97f7e235b5e2d915
Manifest65f0abc0e3356f10e4a63cb6ecab2e17b1fdccdec6621d9314973ca63b555215

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
SignaturejYq4mi4Rdv8SNZC3bUirxNwFAwFZjZ3Au0BCumiPW0qS+CIWB5FR2+SMfKjEVqo03KKXNYsOwgKybj9+GqD1Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:22.763421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974
observed 0fa908a038e3ec4d895ede37aedc5a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.746725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974/manifest.json
observed 65f0abc0e3356f10e4a63cb6ecab2e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.730826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974/publication.md
observed 1c37f30584d853465996d08ab24e6c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.715097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974/publication.txt
observed e3301ac6635079a205bcdf7a1630dce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.486229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974
observed 0fa908a038e3ec4d895ede37aedc5a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.469746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974/manifest.json
observed 65f0abc0e3356f10e4a63cb6ecab2e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.450382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974/publication.md
observed 1c37f30584d853465996d08ab24e6c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.430334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040974/publication.txt
observed e3301ac6635079a205bcdf7a1630dce4...
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.