OpenTechnical

OT-2026-000050668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000050668) never changes.

Identity and time

Publication numberOT-2026-000050668 · never reused
Internal UUID01a0ae82-c7b0-71bc-8f81-21b387a1fa03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050668
StatusPUBLIC

Content hashes

Canonical textfe1b29e518d0c093902df02e93625e01fb979d5d3fdd57b9c917160c0948a907
Markdownc4abd0de6bb7a8480c638205803964246853750a0900ac9ade13e109b3a52ace
PDF
Publication pagec9d0c85f041c2aa1458060e2506fac55a8351e2f7ecf4a6913ecfd12d11f5850
Manifestfb88ad0c3a2f8db946f8d5106603b92cc700bb29da84df86dcd77a10bc8d4f6d

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
Signaturej7NFudX/5jOU1M8Gbb1YqClaQmO6tB4jFrR1zSn+D+2gLyQFAVtYmoMk7uQS5LQuAD0g5qKHvqSWkzYQKL6KAg==
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

2026-09-17T10:59:22.399869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050668
observed c9d0c85f041c2aa1458060e2506fac55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.383817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050668/manifest.json
observed fb88ad0c3a2f8db946f8d5106603b92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.365810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050668/publication.md
observed c4abd0de6bb7a8480c63820580396424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.347046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050668/publication.txt
observed fe1b29e518d0c093902df02e93625e01...
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.