OpenTechnical

OT-2026-000008928

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, vented after set-down

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-2026-000008928) never changes.

Identity and time

Publication numberOT-2026-000008928 · never reused
Internal UUID01a0ae6b-31b7-7549-b7f6-b0ad6146a3d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008928
StatusPUBLIC

Content hashes

Canonical text47ee0ac4cd5ab64939046ddb80d2119f19008353db84b8d40e54d245b696979f
Markdown53c04a348fa6bd7df1ed9bb2baefcd9c19a8e43f8e1c41e182238e1a0ded7a71
PDF
Publication page07f06a83613aa07157d00dc26d5e088111ec942d4ecca7d28c94f895a16e266e
Manifest98efc74ef6d70924dd98030d61217dbbf7f2a920c1d75f8a67b8b8f8e2208b92

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
SignaturesfdgyMAwIw5IG4tPIbHTv0S+OzLmhT+bWl8L8Ulo73Zw9xR+B8T0z3yerPVLpI2inwpXXHXzC1+638dAl6HrAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:27.605496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008928
observed 07f06a83613aa07157d00dc26d5e0881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.583773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008928/manifest.json
observed 98efc74ef6d70924dd98030d61217dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.542122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008928/publication.md
observed 53c04a348fa6bd7df1ed9bb2baefcd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.499006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008928/publication.txt
observed 47ee0ac4cd5ab64939046ddb80d2119f...
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.