OpenTechnical

OT-2026-000080279

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000080279) never changes.

Identity and time

Publication numberOT-2026-000080279 · never reused
Internal UUID01a0ae96-7e77-7375-ab57-75cf9c749267 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080279
StatusPUBLIC

Content hashes

Canonical text189fc9dc7dc478ffa60eda94642495442789ac12e4561c0069b7a41a37ced0c8
Markdown70609db9c1c546f8176b6d2227ffac7c658ccc6d2a1bc853cc03ea47279edaeb
PDF
Publication page21c98280bacd5472da4b908bf699afa4efdb1ea67958b0a3acd27c297f474ca1
Manifest41cc9fcaee17717767940ebc964160bb966b80b43be95013af0527d0f395422f

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
SignatureOw6lwDpklVT8qAy1GH4Dz604tStej9Ck3XnwEZficHe9SIscNezNlnkda6rAxOOdp0cUP1s7bwwB1tK7WyPtCw==
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

2026-09-17T10:02:44.460751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080279
observed 21c98280bacd5472da4b908bf699afa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.441810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080279/manifest.json
observed 41cc9fcaee17717767940ebc964160bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.423228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080279/publication.md
observed 70609db9c1c546f8176b6d2227ffac7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.404368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080279/publication.txt
observed 189fc9dc7dc478ffa60eda9464249544...
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.