OpenTechnical

OT-2026-000045981

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000045981) never changes.

Identity and time

Publication numberOT-2026-000045981 · never reused
Internal UUID01a0ae7d-8f89-7d5e-9e4b-5e50c5c4c230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045981
StatusPUBLIC

Content hashes

Canonical text01f3f6ba3aa8bbaf08077a61d0be7815c0b98d33b878e1336299a3ef348b35ec
Markdownc9aac6390a8d5db31c5d68626258457599d5417c795546f7d02f9ea2627f97f0
PDF
Publication paged227b87ce79e33c7585960a7a29898535d9404fe4bc725fb19737e57b71a121f
Manifest327478f1675a44c965419fbfa88095a92a626012fa6657832d9ebb0355e1bef9

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
SignatureXnidUoi6jYi5xLbvbV08MLzt2E7pPBHIZUucMKN7D/lVsPTxQ8/g0fIPLzJo3bqyloGGSNiN2wwfkv6/LuWGCw==
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

2026-09-17T11:09:58.548075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045981
observed d227b87ce79e33c7585960a7a2989853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.530136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045981/manifest.json
observed 327478f1675a44c965419fbfa88095a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.511941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045981/publication.md
observed c9aac6390a8d5db31c5d686262584575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.494484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045981/publication.txt
observed 01f3f6ba3aa8bbaf08077a61d0be7815...
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.