OpenTechnical

OT-2026-000005775

Publication integrity record

Vacuum cup gripper, four outlet manifold, pump fed, vented after set down, polyurethane 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-2026-000005775) never changes.

Identity and time

Publication numberOT-2026-000005775 · never reused
Internal UUID01a0a944-72e1-7365-bdb5-3f2c903e1870 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:30.621280Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005775
StatusPUBLIC

Content hashes

Canonical textfec2f95b68f2a7507bf1a47e4f5001e615bc7800e178bea764de72bd632fc507
Markdown7df03222c388b855c107a9c54f2ccf90df2495781956b03ebd6c6676043a2a93
PDF
Publication pagecaaafa55f3a6ce5105ebc2bd06668c87a999c5b528b43606b133c80fc7205b22
Manifest98204912ca720bee1f464a4b794d94f20b0780efbc285c995766c250df35fb57

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
SignaturepgBeSu59tRBtuSPdcWAD/LXE4pmYm6Z6UgysDxqFslzmjmZLfVDIFyddddHhztTFKH0nYTc6388taw2Yk8aADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:34.246079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005775
observed caaafa55f3a6ce5105ebc2bd06668c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.233207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005775/manifest.json
observed 98204912ca720bee1f464a4b794d94f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.220892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005775/publication.md
observed 7df03222c388b855c107a9c54f2ccf90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.208185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005775/publication.txt
observed fec2f95b68f2a7507bf1a47e4f5001e6...
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.