OpenTechnical

OT-2026-000037745

Publication integrity record

Four cup vacuum gripper, four 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-2026-000037745) never changes.

Identity and time

Publication numberOT-2026-000037745 · never reused
Internal UUID01a0ae77-b8d0-74dd-99c1-ada0e077564c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037745
StatusPUBLIC

Content hashes

Canonical text0f84c7b775d9cb0833710560dbac59c378523fdeeb6d75a056fc91bc0a574acf
Markdown28fca291dc2f5b3fbeacbd9f6ad4eb0f49819fe5e0621984bc776d202b7abe91
PDF
Publication page9a4eee7d79b1b31db38246baf8dad2320dbfa262a16584dd5390c72c3ac6a72e
Manifestd539d913e74b93d6ff64b6c1519a792e4655ede0cbbcec22449846df0c4bf57b

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
Signature154jHtI86jDhSFhilIX+Cs1Rk/43AijEs4WSqmgPLYDdP/oHdM9YhFCLzTpUL4fxFixNzQPhQqq/81/tPge7Dg==
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

2026-09-17T11:24:19.554206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037745
observed 9a4eee7d79b1b31db38246baf8dad232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.537832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037745/manifest.json
observed d539d913e74b93d6ff64b6c1519a792e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.521152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037745/publication.md
observed 28fca291dc2f5b3fbeacbd9f6ad4eb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.504511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037745/publication.txt
observed 0f84c7b775d9cb0833710560dbac59c3...
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.