OpenTechnical

OT-2026-000016808

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000016808) never changes.

Identity and time

Publication numberOT-2026-000016808 · never reused
Internal UUID01a0ae6e-5919-7c3a-8206-1fdb2fb0650e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016808
StatusPUBLIC

Content hashes

Canonical textf9cd81a4570eab80f767ff57dab0a52462fee337c0f94cffd938ab4a1980a33b
Markdown0dbd19d1be675053b13a6322f525020de3001af5bf6ab9818f77170c6406da9e
PDF
Publication pagedf975f4f7fad5f830d2dadab5b7270ab8a7628c83c855a4e9a0e85ff51b19177
Manifest91e3ed03c0413647a77edc23fd9879ff6303972af32a1f761dfc52014a05b7e7

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
Signature5jFqTRB4NGlpqifPAcljdp3f+MYZI+sQvRAulhjC4zRY7KxAbb9evxxyEYg6o7PjtdzRSaEKng5rBH4nqpYlDw==
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

2026-09-17T12:03:03.711417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016808
observed df975f4f7fad5f830d2dadab5b7270ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.693989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016808/manifest.json
observed 91e3ed03c0413647a77edc23fd9879ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.676355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016808/publication.md
observed 0dbd19d1be675053b13a6322f525020d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.658330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016808/publication.txt
observed f9cd81a4570eab80f767ff57dab0a524...
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.