OpenTechnical

OT-2026-000003756

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, two stage ejector

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-2026-000003756) never changes.

Identity and time

Publication numberOT-2026-000003756 · never reused
Internal UUID01a0a90a-f759-7857-a2bc-ee92f1151c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:43.324401Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003756
StatusPUBLIC

Content hashes

Canonical textf439fd5d63109ff2ac9b59a93b52f5e60884171cb897c525a28c3fe8f736d00e
Markdown5e7531ac90e502e909792c72d6d2120f0bae5cee6d95fa6b0d2eb5c980655f1b
PDF
Publication page8973841cf26939154416c93cabe928d7ffde6537da8931268a707434dc538dcb
Manifest4b02af9199791e4a0068363b2d653f9f735f05b1932674328f66bdc05f1999ba

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
Signature6SAjm783+Uuxi1C0niuwmwqSOjSGdi0sOR+g3QB9dZagjsIv03+f5NwKTNEp9XiQu7OXCRB63IYY/RnNmb2+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:22.226254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003756
observed 8973841cf26939154416c93cabe928d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.211074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003756/manifest.json
observed 4b02af9199791e4a0068363b2d653f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.194889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003756/publication.md
observed 5e7531ac90e502e909792c72d6d2120f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.181772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003756/publication.txt
observed f439fd5d63109ff2ac9b59a93b52f5e6...
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.