OpenTechnical

OT-2026-000056995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000056995) never changes.

Identity and time

Publication numberOT-2026-000056995 · never reused
Internal UUID01a0ae87-d5b5-7c76-aca4-c41f71bb71c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056995
StatusPUBLIC

Content hashes

Canonical text853c088ced79de757116f7b8c45d3caaf49ad927bf1d87fef5b78014b47a85a1
Markdown778e51d8f05b1d56a7285726920e5fb2880a1c2321b65eec98577353d1e1228b
PDF
Publication page037c2daaadbad47ffbea4d14c25f6a3c559043f6b0de9d6e81d8ff3dbf249f30
Manifeste832ebaf29520b86320632127c992d465838f26fdb6d61e1dd8f93d13c4688ac

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
Signature81Fp5lBaODMpPPiGRZaY0wx3dJE/H7c8IMJJFs2nWPKBd4oC7+n3jyR6uZAyoX2cnKFyPqBvOL3aPT1V8z/oAg==
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

2026-09-17T10:48:28.025096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056995
observed 037c2daaadbad47ffbea4d14c25f6a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.006870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056995/manifest.json
observed e832ebaf29520b86320632127c992d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.988051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056995/publication.md
observed 778e51d8f05b1d56a7285726920e5fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.970481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056995/publication.txt
observed 853c088ced79de757116f7b8c45d3caa...
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.