OpenTechnical

OT-2026-000073454

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073454) never changes.

Identity and time

Publication numberOT-2026-000073454 · never reused
Internal UUID01a0ae92-efb8-7397-8807-2e40017ab946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073454
StatusPUBLIC

Content hashes

Canonical text8b81112ef6e16463aeb220acd6d2e58b8c156c893896bd3f3e8754c0eea32ce4
Markdown11f22fe1898749ba18df369679475d87bc26d3f47165a18f58c242ceacb71361
PDF
Publication page4bd481240f5478ea4a5dceb607f9f1532576d4ab6f86409dd58ad6d964404843
Manifest964a4e526cd46624720a096e0e191f0586a636749c1d5439a68461663410654b

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
SignatureKdkgStMzmvGMlQqrBGybqJ/w0sTDo31ZiGgbgL3cHIcYvOU63jUD3FcgbRUmTvmIdUlteGZ35Uqa5Lk+Ge+9Bg==
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

2026-09-17T10:21:37.060490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073454
observed 4bd481240f5478ea4a5dceb607f9f153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.040873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073454/manifest.json
observed 964a4e526cd46624720a096e0e191f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.020390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073454/publication.md
observed 11f22fe1898749ba18df369679475d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.002146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073454/publication.txt
observed 8b81112ef6e16463aeb220acd6d2e58b...
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.