OpenTechnical

OT-2026-000063257

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000063257) never changes.

Identity and time

Publication numberOT-2026-000063257 · never reused
Internal UUID01a0ae8c-94ab-75f1-b095-0860888d9594 · 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-2026-000063257
StatusPUBLIC

Content hashes

Canonical text19429ae744affc655d4b52521d36cf4a5d0680aa4a74f4fa797bcd5cfdfddfa2
Markdown53f44e1cf26a53ad887ab7f0fb6b09a6a01f1b4635ea4b26efe92a55e8448c76
PDF
Publication pagecf890030201bb02b650949fc791bd6b7765d0020b275310b1c8daac1776f54d0
Manifeste102aac0450982654f1bde229201880fd14d0c8cbfc2b89654620fbb1b317c1b

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
SignatureOB8NAaDoRS+vy2drkm+5tbAM2+S9ckFRnaBQoSer7F7prN0AAezHBazC8UIjMafII7EGEdNNS8R4Qe5uTJmpAg==
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

2026-09-17T10:39:08.607287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063257
observed cf890030201bb02b650949fc791bd6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.588801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063257/manifest.json
observed e102aac0450982654f1bde229201880f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.571471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063257/publication.md
observed 53f44e1cf26a53ad887ab7f0fb6b09a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.553144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063257/publication.txt
observed 19429ae744affc655d4b52521d36cf4a...
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.