OpenTechnical

OT-2026-000054976

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000054976) never changes.

Identity and time

Publication numberOT-2026-000054976 · never reused
Internal UUID01a0ae86-5e80-77c8-aaa2-f4702cfc6019 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054976
StatusPUBLIC

Content hashes

Canonical text6beebaed2cd2d799858916316c5a27b3780d571d1421223c531f4b6b9a8220e0
Markdowne1d92e404fda062741acf4c3a70d3348e4a3f3b5711a4bc6f3a15e94335808c8
PDF
Publication page06c1ff6ca7fd04877848451fe0cf9509592427c608ea22a02cd48da6044f6102
Manifestff738364060f7652bf3b1ff72b9d6c0fa8c3bb70aba4c2a801642b02bc884f07

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
SignaturegWfGuUhvrmiAs2/G/lB4XSZqHMnySCUf0CVyX0Z6qIytTHYALUbyKV0Tbs2IGDtIw607v0I/PsdtwosSbIYLBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:05.823922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054976
observed 06c1ff6ca7fd04877848451fe0cf9509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.804897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054976/manifest.json
observed ff738364060f7652bf3b1ff72b9d6c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.787178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054976/publication.md
observed e1d92e404fda062741acf4c3a70d3348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.767645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054976/publication.txt
observed 6beebaed2cd2d799858916316c5a27b3...
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.