OpenTechnical

OT-2026-000073645

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000073645) never changes.

Identity and time

Publication numberOT-2026-000073645 · never reused
Internal UUID01a0ae93-2b8c-7cd7-a271-5c308e361276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073645
StatusPUBLIC

Content hashes

Canonical textfbbd5f3f83eabf71a17866676962bd8a5b1f88e619a91de65a4ae42d990744f3
Markdown4148b596c0254d48f77ed80cebf9e4e5c5efc253f5b599df6e2252b123f43cdc
PDF
Publication page826dda0daa6bfbfc9d40ab183335244be23231c6f5a4b5d673aaaf452060c008
Manifest5a090972f02328b986c59e1f3288d656925a618c38e37e9bb877a985985130a4

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
SignatureOKPH6TgNELtEf5tTa9lqDL0leaoj956WBfujSICJk43SZp0lKvoBXTX5FEVtV1EN/2A6vOZatgnDRiQldWYiCg==
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

2026-09-17T10:19:41.577725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073645
observed 826dda0daa6bfbfc9d40ab183335244b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.559413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073645/manifest.json
observed 5a090972f02328b986c59e1f3288d656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.537960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073645/publication.md
observed 4148b596c0254d48f77ed80cebf9e4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.519825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073645/publication.txt
observed fbbd5f3f83eabf71a17866676962bd8a...
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.