OpenTechnical

OT-2026-000074495

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000074495) never changes.

Identity and time

Publication numberOT-2026-000074495 · never reused
Internal UUID01a0ae93-717a-7e31-aef3-8c8c827e1b5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074495
StatusPUBLIC

Content hashes

Canonical text0ca08849674e5b8ea393938d7b5159a850ae2f9b59cd7c18becfc39cf2dc8893
Markdownb027f41d0d17cb0c389fc88dab42756e4f201f3de68752c1c567aa2118e58e52
PDF
Publication paged6eaab41e3b63d3a5fa9a51c29818ee8659663d8954d10ed380c837b0484410c
Manifestd0cefbeb93b558fba859a8bec1837d282c9d169cbc221b834bc4bcaa8a1385c7

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
SignaturefegmshiGy8FipwWm76ZUzomWaTIExHNyOmT+4K5teI2T28cUc01WREfX5vRfNfF5tfXovQf26psRMbbwoMhgDg==
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

2026-09-17T10:19:27.868021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074495
observed d6eaab41e3b63d3a5fa9a51c29818ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.850283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074495/manifest.json
observed d0cefbeb93b558fba859a8bec1837d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.832713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074495/publication.md
observed b027f41d0d17cb0c389fc88dab42756e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.814550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074495/publication.txt
observed 0ca08849674e5b8ea393938d7b5159a8...
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.