OpenTechnical

OT-2026-000006780

Publication integrity record

Vacuum cup gripper, three stage ejector, pressure verified, silicone cups, oval form

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-2026-000006780) never changes.

Identity and time

Publication numberOT-2026-000006780 · never reused
Internal UUID01a0a967-2861-77fb-9fd3-4e0dd7c74d6a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:48:25.188233Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006780
StatusPUBLIC

Content hashes

Canonical textd07e3d2b334729ee0fb54ec4251c3e6041614f4764d45513e7effcb18693e34e
Markdown02dbf89a833f0f8b1747a3a8ccc918f865051022903aa35bb9dec487153dc833
PDF
Publication page6380a0740162cc3b9cfb53a9e9126dda3b1e058b57d317128b818a6c023fea89
Manifeste96e841cfde64e4378631a2cbe8007eadfae578f4a6fa955b06e85ba08824612

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
SignaturezeA4NW/2PnHlLAIUGz+xt3zGlLHxodXDgLPqe+9zUwSd/0RaZZlQg3IUNksJixVR2qLqov6TKnf+YYzBtf1GCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:07.199796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006780
observed 6380a0740162cc3b9cfb53a9e9126dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.186641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006780/manifest.json
observed e96e841cfde64e4378631a2cbe8007ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.172358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006780/publication.md
observed 02dbf89a833f0f8b1747a3a8ccc918f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.159072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006780/publication.txt
observed d07e3d2b334729ee0fb54ec4251c3e60...
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.