OpenTechnical

OT-2026-000054475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000054475) never changes.

Identity and time

Publication numberOT-2026-000054475 · never reused
Internal UUID01a0ae86-1283-7d69-9c01-00e84397c11f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054475
StatusPUBLIC

Content hashes

Canonical text9fb9a08ff9434e13c8e7b15a4ef77e5f12d9f1972314000e605ac2951a82621c
Markdown01a39505b97c351d9c0eb1b5793462c2ba6cea9c1f623986cb7bdcfc7b58c064
PDF
Publication page15b478211a8b7fe9394e15df71f7efe32d966bb87d4ac28ab3ef0f5eb88ecaa6
Manifest9c06b8a96f243444c2eea8b9f9b12d6bd17c6ed0d57192456a5a81bf1ca05d18

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
SignatureDR2zp+YylHt3wI4lSD8t9xpZvYC34Sr9Wvg/08jC86V3mXUp8x3DyrwM/yXbi/Q2ozOMEyTYwjPjWAZj8C59Ag==
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

2026-09-17T10:53:28.207428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054475
observed 15b478211a8b7fe9394e15df71f7efe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.189123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054475/manifest.json
observed 9c06b8a96f243444c2eea8b9f9b12d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.172139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054475/publication.md
observed 01a39505b97c351d9c0eb1b5793462c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.155546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054475/publication.txt
observed 9fb9a08ff9434e13c8e7b15a4ef77e5f...
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.