OpenTechnical

OT-2026-000080485

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000080485) never changes.

Identity and time

Publication numberOT-2026-000080485 · never reused
Internal UUID01a0ae96-7e78-764c-8d1b-b80f5447f071 · 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-2026-000080485
StatusPUBLIC

Content hashes

Canonical text0d5e85d69da732e6746aa15cd5da993ebfd2bae5e42bfc42ead4c87ce2eb9427
Markdownc4fe3c676a6212be6ca919716e4b6f286ea65e4fc69aaf88d9e68296562146b1
PDF
Publication page772e0c0fb16500ae686660da09f7ae11802dd9e6b0a2ad1524a88916cfd1ee04
Manifest551bfed3395a56bb222b2a5c7b976521a0d15729b40f78e297bc29a9cbdb5e14

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
SignatureBeOaTkA7+bq/5lRCy1ZJY/pdHyH/8QhsDTyffQKDq8qLrWE+BDpLDzKidYZ8NqP1/bExvBnlnPlx7uMZagCICg==
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

2026-09-17T10:03:00.429445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080485
observed 772e0c0fb16500ae686660da09f7ae11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.411459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080485/manifest.json
observed 551bfed3395a56bb222b2a5c7b976521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.395071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080485/publication.md
observed c4fe3c676a6212be6ca919716e4b6f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.376339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080485/publication.txt
observed 0d5e85d69da732e6746aa15cd5da993e...
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.