OpenTechnical

OT-2026-000063618

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000063618) never changes.

Identity and time

Publication numberOT-2026-000063618 · never reused
Internal UUID01a0ae8c-f945-7df8-82c4-a1928a768a1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063618
StatusPUBLIC

Content hashes

Canonical textf75bb29361c1e534a99cbe827cacf369f7a61c435d5e90afc328a3bbe98e31d8
Markdown9bb51a5e8ced9acbb22693b02047d4fc0e0ab91ce6684135ee65f0c7e8415f9d
PDF
Publication page721d51b8aaea71f43ad34fc95ebad86d31a9a8134f7823b3cc3120cb1a27f1a3
Manifestc406ff98c58ebbade2f1e8380e43cd14b50bf8bdd445f757409eea7b1864dbf9

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
Signaturec5JrOJPOCkNv+mK4F7X30iPM52am6o4ON52w6t4hjM0kqDYb+7udpkDG6HManRpArXSJ+aY0IeHz0dZsYvIBBQ==
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

2026-09-17T10:37:38.647065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063618
observed 721d51b8aaea71f43ad34fc95ebad86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.629708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063618/manifest.json
observed c406ff98c58ebbade2f1e8380e43cd14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.609328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063618/publication.md
observed 9bb51a5e8ced9acbb22693b02047d4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.590808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063618/publication.txt
observed f75bb29361c1e534a99cbe827cacf369...
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.