OpenTechnical

OT-2026-000048332

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000048332) never changes.

Identity and time

Publication numberOT-2026-000048332 · never reused
Internal UUID01a0ae80-4de4-7fa6-890e-11060208d10e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048332
StatusPUBLIC

Content hashes

Canonical text50e3549a5f8f033b58e45e2b7a84e63139f662f2a308f1a576a58a443866d831
Markdown0ee7efca4eea0b1f841e288ca73c94875e051fc51ab82017bccaf27f86b2cec6
PDF
Publication page7225cf099d4c96d5b699d8e1772b4cec18335b1ebeddf57cd486ae1c48d79912
Manifest417301e17cd7ce583480204105f47924994b69f912aa4f21979f0583920d653c

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
SignatureU0HJIk8Yd9hd2fQMaYzNl17nuW1AlzL52UOciqWFlNc8NyzAoyuSZza+yA1CR+XTwUbZfsr2b3VBMu7GEcwgDg==
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

2026-09-17T11:04:56.292794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048332
observed 7225cf099d4c96d5b699d8e1772b4cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.274844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048332/manifest.json
observed 417301e17cd7ce583480204105f47924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.257705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048332/publication.md
observed 0ee7efca4eea0b1f841e288ca73c9487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.236926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048332/publication.txt
observed 50e3549a5f8f033b58e45e2b7a84e631...
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.