OpenTechnical

OT-2026-000023110

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000023110) never changes.

Identity and time

Publication numberOT-2026-000023110 · never reused
Internal UUID01a0ae70-7266-7541-a558-0a97d9d02432 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023110
StatusPUBLIC

Content hashes

Canonical text640db582b6604ded0d6165de1219ef95a9f547a234823a7eae58e8e3f809d6a6
Markdown7c8d1229f10ef3a79f2c82422b32608479eb67324efed6611f0fb24fe197aaeb
PDF
Publication page31d55002380dd360d97e4eee795dc8701ade892a7aa83563980aa3f3c0ab78da
Manifest834aa2dfc33bffce1022c8fcd00b2fb11bc911c0360c83a0158ccf496e801085

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
SignatureHiJn5BKC1qxD3W5ir/sQ0bhbJ7+s8HtbMVV5atk2CNAPwr3d8/pDabGklQBdTHUNPtqGqCcwecCdll+wlXWRDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:02.060326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023110
observed 31d55002380dd360d97e4eee795dc870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.041801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023110/manifest.json
observed 834aa2dfc33bffce1022c8fcd00b2fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.025728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023110/publication.md
observed 7c8d1229f10ef3a79f2c82422b326084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.010472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023110/publication.txt
observed 640db582b6604ded0d6165de1219ef95...
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.