OpenTechnical

OT-2026-000018883

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000018883) never changes.

Identity and time

Publication numberOT-2026-000018883 · never reused
Internal UUID01a0ae6e-d522-7171-b3e0-25747a5b25c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018883
StatusPUBLIC

Content hashes

Canonical textfb9821efa826ff5cf09f53cd0b3738adbe68bcb3d5ed13c5a0334810e33628e9
Markdown19ed822f9d983898b4fad02ef72ae69e70b7d3f2f3c02241d3d8bd2c5eba4d02
PDF
Publication page26cd2e3441477d8d06e4419632e528db4599d533ae8667d1d515bbcd1cf489e0
Manifest3c83f5ab7a916a36a8a1f6d60edf9766aef7c31673e321e24e1f17b721f3420a

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
SignatureDeYZ4LzXjW7zziL8r/Aec9DDkinbWhAFb8+MzqTeF70r4ZlwT/SH5j83E4nAUR/xjNRaz8D/dzxN+UME/1XHAA==
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

2026-09-17T11:59:32.033423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018883
observed 26cd2e3441477d8d06e4419632e528db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.015408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018883/manifest.json
observed 3c83f5ab7a916a36a8a1f6d60edf9766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.997950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018883/publication.md
observed 19ed822f9d983898b4fad02ef72ae69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.962167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018883/publication.txt
observed fb9821efa826ff5cf09f53cd0b3738ad...
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.