OpenTechnical

OT-2026-000089373

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089373) never changes.

Identity and time

Publication numberOT-2026-000089373 · never reused
Internal UUID01a0ae9b-db01-76b0-9280-102d6248712f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089373
StatusPUBLIC

Content hashes

Canonical text5cdfd08efe48e0fffaf903ecfb36ef8acd0675e52cd9d67c19311af8452bd44b
Markdowna8fd0bfb36875b519eff7e15d01fcbb89bf6dc12c7d8ca4ad1dbb617d2dbcbfb
PDF
Publication page6834b2c9444f4be23c86737a54ea8b257cfc463e04f603b4e89490ddd42d2660
Manifest01a0d816af4b89ba940b17632460e863e9995ad36a7342c20a49a5ca444bd140

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
Signaturec85Cr3sEuVj877pOhvAT25C9HRSJZK7e1yzC7tk43eyA1nxG6Dd93U8QeCByITk9TFIfd3Mm1xyBZ0zEd3G8BA==
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

2026-09-17T09:47:30.533595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089373
observed 6834b2c9444f4be23c86737a54ea8b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.513493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089373/manifest.json
observed 01a0d816af4b89ba940b17632460e863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.496071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089373/publication.md
observed a8fd0bfb36875b519eff7e15d01fcbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.477948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089373/publication.txt
observed 5cdfd08efe48e0fffaf903ecfb36ef8a...
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.