OpenTechnical

OT-2026-000037908

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000037908) never changes.

Identity and time

Publication numberOT-2026-000037908 · never reused
Internal UUID01a0ae77-f88a-782d-b11c-fb7de2c0cfa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037908
StatusPUBLIC

Content hashes

Canonical texta67ba1f2662352a9ccf0aefa089c7053896aadea5d3b2b71c7a2c4b9bc43b465
Markdownabfbf47cfc1a0ff8564c9f04ffef0c3a4432d117eb35920f2fe11c2e322952b9
PDF
Publication page7abbeeb99fb726f2f319ee9a34af55030b3f916bad948b09643cf2617d04e9f4
Manifest4fcbe6a88f9052e70a3730f71b0cb107c3466eba4200d014865c8241122f2dc7

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
Signature+7jsLS8K4piyUF8H/Dbl4p3sT9Fl6q7EezekdSdP7LF2mBCwFAjU6ku8qNzq8tYl9wxdKIM9rY8c2mDqVYG1DQ==
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

2026-09-17T11:23:10.727548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037908
observed 7abbeeb99fb726f2f319ee9a34af5503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.707880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037908/manifest.json
observed 4fcbe6a88f9052e70a3730f71b0cb107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.689746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037908/publication.md
observed abfbf47cfc1a0ff8564c9f04ffef0c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.669438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037908/publication.txt
observed a67ba1f2662352a9ccf0aefa089c7053...
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.