OpenTechnical

OT-2026-000054327

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000054327) never changes.

Identity and time

Publication numberOT-2026-000054327 · never reused
Internal UUID01a0ae85-b3a9-719b-a568-66751fbc2ea8 · 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-2026-000054327
StatusPUBLIC

Content hashes

Canonical text86ac783bef6ab85990646148c9712427742fad076f754e5be57b912f409ae7f5
Markdown5e1d9251d3a212874975c7facc5a0eae5f2ea066ac939aad403b423d6cece4af
PDF
Publication page9ac5ff12b5eb0268f40667abf7c94a608ea76e3fe14f0e41818ad17c19355fa7
Manifest745e0247c2e72144da28f13dd3361ac8bb3cb03ee546f41c31cd895390772fd2

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
SignaturelSFJ9GSotclSoQLpjDJaVZgPa+sHSWPRp4SEltETYeNsTB+9tF65Gj85kud3UXr9kMsdNsuQZPu7VLIRlouqAg==
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

2026-09-17T10:54:50.238855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054327
observed 9ac5ff12b5eb0268f40667abf7c94a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.219212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054327/manifest.json
observed 745e0247c2e72144da28f13dd3361ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.197732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054327/publication.md
observed 5e1d9251d3a212874975c7facc5a0eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.177950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054327/publication.txt
observed 86ac783bef6ab85990646148c9712427...
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.