OpenTechnical

OT-2026-000068778

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068778) never changes.

Identity and time

Publication numberOT-2026-000068778 · never reused
Internal UUID01a0ae90-6dcb-745d-b0b4-e20eb7f34840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068778
StatusPUBLIC

Content hashes

Canonical text8221b277f904cabe4147ff2bb4bdbd204b6c092b2fc7767fdc1e9c2d694fea8b
Markdown98b6ed31ac9efc7beedd04b82e9cbd1764080dc2564cee557d4275e1c38a2202
PDF
Publication page2a492fc8bcac1d7295964d0be7ecee83cd3bd4a04ac74d56f195b0a29b74dfc4
Manifest08ac0af621646a81d7a430f605406412818fe34a75f68a9d4f213636a1ad747c

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
SignatureOZUadEG/Eb8lyKDCw71ZRD7l2XqxaXG9QAoRnCJWErXMJSD48B673lafLSgnSd0sp3IsxsyBSHEzO40BAVdnDA==
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

2026-09-17T10:28:34.254131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068778
observed 2a492fc8bcac1d7295964d0be7ecee83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.237392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068778/manifest.json
observed 08ac0af621646a81d7a430f605406412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.220703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068778/publication.md
observed 98b6ed31ac9efc7beedd04b82e9cbd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.202961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068778/publication.txt
observed 8221b277f904cabe4147ff2bb4bdbd20...
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.