OpenTechnical

OT-2026-000082699

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000082699) never changes.

Identity and time

Publication numberOT-2026-000082699 · never reused
Internal UUID01a0ae97-8cc8-7d2c-8f26-946abab32480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082699
StatusPUBLIC

Content hashes

Canonical text50466a32cdaaded0574424a15f97c6e77c9ab22834e1101596a7cd9a987a17ca
Markdown17876048a2c43bbcc72ce31a4e0876be89a3d0436597ea21a856e3bb1ce01372
PDF
Publication page2cf59be7bbd1b631ed87dcf23dcfe39625ef24f3bd51e6f8f3f45671c105ea97
Manifest96deb1730eebde49d9763097be28b8e90ce2d3466c66528574f9c9f0705879ff

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
Signatureewj3C7eYM2hjcFp4hOFbW10b7RcocHhKYjvG4SrhEuCQFXFy3FNXVF5LOfG6aEhk9Zvl21/ptGoDapsPM9dEAA==
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

2026-09-17T09:58:16.347093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082699
observed 2cf59be7bbd1b631ed87dcf23dcfe396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.329526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082699/manifest.json
observed 96deb1730eebde49d9763097be28b8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.311510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082699/publication.md
observed 17876048a2c43bbcc72ce31a4e0876be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.294414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082699/publication.txt
observed 50466a32cdaaded0574424a15f97c6e7...
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.