OpenTechnical

OT-2026-000027635

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, 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-2026-000027635) never changes.

Identity and time

Publication numberOT-2026-000027635 · never reused
Internal UUID01a0ae72-6999-75b3-8bb1-18344c6b9993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027635
StatusPUBLIC

Content hashes

Canonical text32f9534ef7f22fb82ac986b22009279a314596638bcd81043ac941a52f955454
Markdown19df94f415b88b06ee9227b220576b31618ba13c19837bf922e18731f4929c64
PDF
Publication page493f41ee918348596a6706d3251550c039adcca35da60ee8f5a265a6d17ee893
Manifest9c9f7024c3d860e453ff44f4a5fdf254c2b28af38301c5ee43538f8ad08e4add

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
Signaturefk15SnXhJLiRMiuYGtA9K8m2np+zQph6nibdNiYW5RrUm4wOwJU5yBrQBLS16L4gerU+tMbr5cZv5fK/RaQNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:09.541711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027635
observed 493f41ee918348596a6706d3251550c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.525421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027635/manifest.json
observed 9c9f7024c3d860e453ff44f4a5fdf254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.508226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027635/publication.md
observed 19df94f415b88b06ee9227b220576b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.490441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027635/publication.txt
observed 32f9534ef7f22fb82ac986b22009279a...
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.