OpenTechnical

OT-2026-000056543

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000056543) never changes.

Identity and time

Publication numberOT-2026-000056543 · never reused
Internal UUID01a0ae87-7af5-74f0-8142-36f79ff09527 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056543
StatusPUBLIC

Content hashes

Canonical text5b2302100eef8e136340d96c3c3d079f43c11ff77d805fdb2523f20d28347c50
Markdowne6f061562552abac3ee53fb6d97b031ead86af200708fb444f979cafc235622d
PDF
Publication page40b701e979d12d6f3e52dc75facf07773b71583efe3189af57789755459ab847
Manifest740d53e3d9bb75d45e7644f6eb112c5f7abf8b05de59f464645571df307ea5af

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
Signature4QQkuT5EqXCwbGG2gZinnp2fYPbhEuO8IWjefq5l5P9bT3Q0pQVlpMSQLJ1WikYaePBg1ja4tzRW245myd0/CA==
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

2026-09-17T10:49:52.487123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056543
observed 40b701e979d12d6f3e52dc75facf0777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.466182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056543/manifest.json
observed 740d53e3d9bb75d45e7644f6eb112c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.447371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056543/publication.md
observed e6f061562552abac3ee53fb6d97b031e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.429406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056543/publication.txt
observed 5b2302100eef8e136340d96c3c3d079f...
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.