OpenTechnical

OT-2026-000074003

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000074003) never changes.

Identity and time

Publication numberOT-2026-000074003 · never reused
Internal UUID01a0ae93-2b8f-7815-b6de-8d5b9d303c03 · 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-2026-000074003
StatusPUBLIC

Content hashes

Canonical textce4575ec00b4e0678f29bc46698b689a16bfcb2a7ecb30fbafd57350da9adf0f
Markdown001812849a4e4bef16c10c27cca1aaf56c4421bc2966c48900d6e114091599a7
PDF
Publication pagea46503075302b51561819c0cf216c51133ec338718682dcfa9e33e2e570c59d5
Manifest8b77367ff32f0e069806812269447846f003a4bb1aa40a54d986e6e02fcb186f

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
SignatureST0NH3oXJX1tn9nYgSbrj3797ayg/MnAnOy61BOe+QS7sqV5xLi0cpdkzesI3PxpPvkqT3CtMH5mMEMTwCBSBw==
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

2026-09-17T10:20:18.013691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074003
observed a46503075302b51561819c0cf216c511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.994274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074003/manifest.json
observed 8b77367ff32f0e069806812269447846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.975576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074003/publication.md
observed 001812849a4e4bef16c10c27cca1aaf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.954828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074003/publication.txt
observed ce4575ec00b4e0678f29bc46698b689a...
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.