OpenTechnical

OT-2026-000005040

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, vented before set down, rubber cups

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-2026-000005040) never changes.

Identity and time

Publication numberOT-2026-000005040 · never reused
Internal UUID01a0a92b-ee30-79ec-9ac5-957af41a981a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:43.667126Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005040
StatusPUBLIC

Content hashes

Canonical textad41a4f7b5e1b4fb961094a607a7b5b6418e9610cb13b2c54f95679706f33737
Markdown64b53c260c9b4ab02ab978983b7ba07999a885a7aed29e00ba3a0c837af1d869
PDF
Publication pagec85a2bae9656d8963e7a8a340cce05f4996d6bfd725a0d1275a570c9db39a631
Manifest51a2b559133a2ecbee05e395f1b8347322f6a55d791f6a050548cb55332b4c27

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
SignatureyBUuFQ/GUStlPLGL/M2CyWMNNx/IslUOoFaEFDOi+Hwx3WHUWBrg9ZfT2RZiCtKMMMMOnhuu0eD7bIa3XoEbCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:21.978124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005040
observed c85a2bae9656d8963e7a8a340cce05f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.964384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005040/manifest.json
observed 51a2b559133a2ecbee05e395f1b83473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.950884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005040/publication.md
observed 64b53c260c9b4ab02ab978983b7ba079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.938765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005040/publication.txt
observed ad41a4f7b5e1b4fb961094a607a7b5b6...
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.