OpenTechnical

OT-2026-000073446

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073446) never changes.

Identity and time

Publication numberOT-2026-000073446 · never reused
Internal UUID01a0ae92-efb8-79cd-8959-8a5228ddadf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073446
StatusPUBLIC

Content hashes

Canonical text87a7757e9fe4aa215a964c06a290db664ef77f6d8e618731eb584460c2e08eda
Markdown35fb8744ccecf7e61dcd0e37eb1cdc3b24095eb4e5a75871e10851a4f98935f8
PDF
Publication page6609381d63a59ba6f51a2e8c8e1b2f41f99f7ebc64908096fdd5e2dfd9d4f8c7
Manifest7676c3f1899892d8106499e3cfd3964783a2c6e085efb572b508ce1478b78e68

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
Signature5VC/AQvgWonHv2xBbe7+yT3eAQ8zpJ/2bt7jxewC9Oh6+gMfrOyj3SjoHywYP5fjIE3BEj8xzdNk3cOZ9MqIDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:36.424857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073446
observed 6609381d63a59ba6f51a2e8c8e1b2f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.407878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073446/manifest.json
observed 7676c3f1899892d8106499e3cfd39647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.390452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073446/publication.md
observed 35fb8744ccecf7e61dcd0e37eb1cdc3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.371024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073446/publication.txt
observed 87a7757e9fe4aa215a964c06a290db66...
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.