OpenTechnical

OT-2026-000054099

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, 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-2026-000054099) never changes.

Identity and time

Publication numberOT-2026-000054099 · never reused
Internal UUID01a0ae85-b3a8-7663-a129-0f62725ee84e · 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-2026-000054099
StatusPUBLIC

Content hashes

Canonical text44591ee39954ade4c1627b5a5ef4b655ba1d373b738ad5785402ff7f66c10cf7
Markdownfdd489036069664db8a616769dc9814fb9bdf69f3c879014abe8cbcb4fd9c20b
PDF
Publication page442bad80925bdbe0a9892ea48f52ccff17d7a2ef8cc04889465ba1bb649707c2
Manifestb417891867de8d1dba79f83a266fa3a5ce4d0c41b898ed8ca610c8a43bdd6dce

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
SignaturexwXOGRIu43gMzwSHZ4x8jB4B+Mb7XTdeAbUFXK8flN7qgt4qCObS4yJT7leTmZ8/3f2pLZlDIP77b2yiIXzKAw==
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

2026-09-17T10:54:29.399218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054099
observed 442bad80925bdbe0a9892ea48f52ccff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.383011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054099/manifest.json
observed b417891867de8d1dba79f83a266fa3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.363958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054099/publication.md
observed fdd489036069664db8a616769dc9814f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.346265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054099/publication.txt
observed 44591ee39954ade4c1627b5a5ef4b655...
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.