OpenTechnical

OT-2026-000054095

Publication integrity record

Two cup vacuum gripper, two 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-2026-000054095) never changes.

Identity and time

Publication numberOT-2026-000054095 · never reused
Internal UUID01a0ae85-b3a8-7cf7-a819-3efaab8dd532 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054095
StatusPUBLIC

Content hashes

Canonical text85b945c94be46cc4488dfa0569eb4c4db0b0ebfb877bc0a0c981526671e5b509
Markdownae976a0096425fa742dbe31fdcd9f7b7b7cb1ec7ad0d4145fecda2039d4a0908
PDF
Publication pagedb5b49ee9068560fda91156ce35024fd5d02b84c100e46eecc8a32a96b01e6fd
Manifestc16c32d36b6a43b18603c3fcab7f0e46c35fbf2ce5c97820e414d8a8ce7d7f46

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
SignaturebgnPzEcLs1x9v6ackx2PJWFWMO6G82dc7AG2xA0xzJdKcYMBMKWOEc8+bQLbLNdVfOyXrcfNIm7VWZ3by7IfBA==
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

2026-09-17T10:54:29.011452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054095
observed db5b49ee9068560fda91156ce35024fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.991330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054095/manifest.json
observed c16c32d36b6a43b18603c3fcab7f0e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.971623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054095/publication.md
observed ae976a0096425fa742dbe31fdcd9f7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.947473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054095/publication.txt
observed 85b945c94be46cc4488dfa0569eb4c4d...
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.