OpenTechnical

OT-2026-000009885

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000009885) never changes.

Identity and time

Publication numberOT-2026-000009885 · never reused
Internal UUID01a0ae6b-cb78-775f-a666-6ec3248fea1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009885
StatusPUBLIC

Content hashes

Canonical texte31f26cd152cc6847fa2b1b920ad27185a9bb05dba1612cfb5735b30fcac5231
Markdownd907ba1ce23ad4ea3a3bacb2d08515591a8a8c948e36008b29fcedce9073da3f
PDF
Publication page1ef29e4ba7c2e078f65b43b5942669405ab641912da15447e0cfa7d34291fbbd
Manifesta883a7755b4c160027afd9b7fbb416f340bdad68fabc97eb056e5593e9f13104

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
SignaturegnCInyGsSh8HUrYNsq5km22Q1MEMldY/VybP/aIgZtXYOIkXIIsSnE9m1/xvjAvGrekxQuoQ70+UAz8HEH4KDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:53.680740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009885
observed 1ef29e4ba7c2e078f65b43b594266940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.658761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009885/manifest.json
observed a883a7755b4c160027afd9b7fbb416f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.638586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009885/publication.md
observed d907ba1ce23ad4ea3a3bacb2d0851559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.617905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009885/publication.txt
observed e31f26cd152cc6847fa2b1b920ad2718...
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.