OpenTechnical

OT-2026-000063218

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000063218) never changes.

Identity and time

Publication numberOT-2026-000063218 · never reused
Internal UUID01a0ae8c-94ab-70d0-90a3-c355f8443d0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063218
StatusPUBLIC

Content hashes

Canonical textdef9928b76bc419a28d22a49ec03082f08ded065297d8e2e5d2000f30e2be62a
Markdown5a5cd01257820c8809c51986ffde0ce4655d13e92b7e06a8c70df4cb2a83ec06
PDF
Publication pageae86d855c0895d1cfafb51f626e8061663979bdf30a39f8152830be1cd2b67ea
Manifestc591457913afb58929182a31cc64a71527587ddd9ed2187f7f8e8906c0b3205e

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
Signature9Bd3ROOsjobD3JqLdZOwSCGT8WU/eHoo+OpJ1XBbL8CpGYkO8w0rAsRKvWerCS/xSVD3+tdlQXEEfe85uVtIBw==
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

2026-09-17T10:39:05.689855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063218
observed ae86d855c0895d1cfafb51f626e80616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.672590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063218/manifest.json
observed c591457913afb58929182a31cc64a715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.656253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063218/publication.md
observed 5a5cd01257820c8809c51986ffde0ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.638785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063218/publication.txt
observed def9928b76bc419a28d22a49ec03082f...
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.