OpenTechnical

OT-2026-000081225

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained 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-2026-000081225) never changes.

Identity and time

Publication numberOT-2026-000081225 · never reused
Internal UUID01a0ae96-f373-78ab-a9ac-e8f22da2c15d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081225
StatusPUBLIC

Content hashes

Canonical text21c40c6875d6164a8d9a9e109be3a7f8930f514ab5acb16471b0144d49585693
Markdowne76fcc7debdce19ce127353c5e9cd4da10f18beed029838fc5a6ab9f487c9a5f
PDF
Publication pagef121774dd2a631c4c06492a12e33a6f1d48d5906b30d23d08f7f9eabdab1c99c
Manifest9608a27361a5752eb294d4b5ab5d193e4047286d20262e14f91acce6fc1c0a41

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
SignaturebCNJTRg6z5SSyD4L+UliB/vu7lZ5Pj6BrXs1xn2kJmc5X1Et/wJ4n1J/bmaM3SeCwee/P7zuAx3nT5LU9lIsAA==
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

2026-09-17T10:01:18.597169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081225
observed f121774dd2a631c4c06492a12e33a6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.558711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081225/manifest.json
observed 9608a27361a5752eb294d4b5ab5d193e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.539625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081225/publication.md
observed e76fcc7debdce19ce127353c5e9cd4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.502409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081225/publication.txt
observed 21c40c6875d6164a8d9a9e109be3a7f8...
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.