OpenTechnical

OT-2026-000037170

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037170) never changes.

Identity and time

Publication numberOT-2026-000037170 · never reused
Internal UUID01a0ae77-7741-70c3-ba35-c512231c96c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037170
StatusPUBLIC

Content hashes

Canonical text2e0a002bc508ce4a948e742d775eaea6df32e2eb4b82800aae1db7c0d12a1f9e
Markdown504d014628952abced82cae4bf7ad409f99b875230843a010e00a07b49c8cdf3
PDF
Publication page80af688afadb9f08d3a9fc614ef3c64855e293a161bde8096e9f7cb3fdcf1585
Manifest27518cdd29a95b430ca05c5c02123098e54403b16b23913e8c1935d10270f705

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
SignatureJj/pT4l9TrqauhIMjrt5Ck5soebQ5xFW80CKaxxYgfA4IJ/DBV4NyUBcLsNpNmtjOQom1yZIov4CdjYNY0TqAg==
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

2026-09-17T11:25:03.304142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037170
observed 80af688afadb9f08d3a9fc614ef3c648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.286588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037170/manifest.json
observed 27518cdd29a95b430ca05c5c02123098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.269501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037170/publication.md
observed 504d014628952abced82cae4bf7ad409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.253805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037170/publication.txt
observed 2e0a002bc508ce4a948e742d775eaea6...
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.