OpenTechnical

OT-2026-000068823

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000068823) never changes.

Identity and time

Publication numberOT-2026-000068823 · never reused
Internal UUID01a0ae90-6dcb-7f8e-b623-877488af2609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068823
StatusPUBLIC

Content hashes

Canonical textb857ac10da49fde05ebe467a2a0e72a17a0af8d549bc023f20597bb8a88b6308
Markdown57844e6934b0a3578b39fa86c8f43ffd8468a0148b2ac55b782b42386e4ebfba
PDF
Publication pagefdf43e5355ec0be6e3e2fe178f57b4c66b87692a077f8f7c4c1b5de9665d0b39
Manifest6d63666d14bb2eaba548e50407fb72ec1c3155323972a79eea92acfea70584d9

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
Signature0PTT+xTPiwD6pXgUMrmWYdJlLgXrxRu+YQQAyZluqv4OqR0NIYRsrx5dcCHSVRdus0+8l/3dT1xNovqOdv4wCw==
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

2026-09-17T10:28:37.564857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068823
observed fdf43e5355ec0be6e3e2fe178f57b4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.547007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068823/manifest.json
observed 6d63666d14bb2eaba548e50407fb72ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.527841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068823/publication.md
observed 57844e6934b0a3578b39fa86c8f43ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.510845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068823/publication.txt
observed b857ac10da49fde05ebe467a2a0e72a1...
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.