OpenTechnical

OT-2026-000062726

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000062726) never changes.

Identity and time

Publication numberOT-2026-000062726 · never reused
Internal UUID01a0ae8c-6389-7b71-bc14-97f928d039a1 · 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-2026-000062726
StatusPUBLIC

Content hashes

Canonical texte9d20a663c3a5821963e326479a455284d9bb91ad0d78960c47e9c3a91880501
Markdown8cd341bf68ffad5e568bbfda4f164fb1a85b261443d30a0a4a3db6c5f5274939
PDF
Publication page7d6bbdc153439b29885f0a48cb7869d7a8e33b8a551eefba6c86af5e4da753ac
Manifest980d3dcc2646cba655f1fa5efd5936da56851ebbb7d92c84d8a3718ae7e32812

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
SignaturePJwMWeF16BUXEOtk/KFoLwbO1XfSRrhNPY7aPpgokthry6vMyvbKDycYZymhg1inIncwTy8+sJMoJDGGwhpbAg==
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

2026-09-17T10:39:17.886938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062726
observed 7d6bbdc153439b29885f0a48cb7869d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.869638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062726/manifest.json
observed 980d3dcc2646cba655f1fa5efd5936da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.852132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062726/publication.md
observed 8cd341bf68ffad5e568bbfda4f164fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.833834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062726/publication.txt
observed e9d20a663c3a5821963e326479a45528...
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.