OpenTechnical

OT-2026-000021132

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000021132) never changes.

Identity and time

Publication numberOT-2026-000021132 · never reused
Internal UUID01a0ae6f-865b-7e14-a207-2a031e95f050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021132
StatusPUBLIC

Content hashes

Canonical textc71e2a232f7b98002c8548034e549ad185a05a9517925bfb1f5f94657624bea9
Markdowna6b754f90efe1c58392f854515ff2f63975152f3f09a2facad8d0048a9eeb82d
PDF
Publication page0bece7b6c38521f24155ee0df291dbf17a02eb6507f535507436ac4321986626
Manifest4aeb7da4a7561ed09436880a0698b8d1ee82242054ad3c77fa4569e3e87e556d

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
SignaturewvnbrLs63Elhj6SdxzQeBWS8+N9zgtZE4b0JXDcvHt9VY0AFkX0wFcXMvOnjXh+10IaBK1vl1wHC889YJCRqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:53.006552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021132
observed 0bece7b6c38521f24155ee0df291dbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.988407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021132/manifest.json
observed 4aeb7da4a7561ed09436880a0698b8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.968900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021132/publication.md
observed a6b754f90efe1c58392f854515ff2f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.946654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021132/publication.txt
observed c71e2a232f7b98002c8548034e549ad1...
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.