OpenTechnical

OT-2026-000060389

Publication integrity record

Single cup vacuum gripper, 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-2026-000060389) never changes.

Identity and time

Publication numberOT-2026-000060389 · never reused
Internal UUID01a0ae8a-b7cb-71ea-ada6-33d69e3140b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060389
StatusPUBLIC

Content hashes

Canonical texta44d2b4466c390aba6d0ddf2c2f08bba2acd1c4595914072598743aa3afb986f
Markdownf26936fb5cdcde5cdc8a3baae0eec085e4bc7a66d817bafafc06838d0ff5486a
PDF
Publication pagec21bbc557f6fcf0dd7e8b97f87203ec60f62cda3c63fbbdb56530b30d788d7d6
Manifestb4a200927cbc074a3fff0358be8d32817e86eff597471cd6fb5a7de4974bb854

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
SignatureplwNm7WJiRHfDUrV73oElew1KDW6R4Ss4hb7n0iIRITdUFh7ouT0rrYSLNry/amNkHy13ECXmV0B2mM5raHZAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:51.415437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060389
observed c21bbc557f6fcf0dd7e8b97f87203ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.398523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060389/manifest.json
observed b4a200927cbc074a3fff0358be8d3281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.378850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060389/publication.md
observed f26936fb5cdcde5cdc8a3baae0eec085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.361252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060389/publication.txt
observed a44d2b4466c390aba6d0ddf2c2f08bba...
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.