OpenTechnical

OT-2026-000045491

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000045491) never changes.

Identity and time

Publication numberOT-2026-000045491 · never reused
Internal UUID01a0ae7c-f76d-74d5-81df-21d28f007cb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045491
StatusPUBLIC

Content hashes

Canonical text390b5c4c4769700e5570fd81131d1a566fcff578712e21617b9c70b4b3bbaa25
Markdown6c209454fa964fecfa74f42674194129ff5a0d2fd5d5e97060778499b7f8ad6b
PDF
Publication page2a69b5686a90eec50d8487d09713b17bdd6590e8d7563aefcdaa61741b98e7a8
Manifest69347a2e2e8e582f81a1e79f3c801ad47e598794573cfab5754f636a2ab68b37

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
Signaturefw8cv06RvsqRejR7Z+9vF/3hqcGQEaMLF6KEClN3jYk7oCmONjC73c07/vFpNmHHsbH5AbGVqADqpEItsSspBQ==
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

2026-09-17T11:11:18.416762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045491
observed 2a69b5686a90eec50d8487d09713b17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.397285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045491/manifest.json
observed 69347a2e2e8e582f81a1e79f3c801ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.376377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045491/publication.md
observed 6c209454fa964fecfa74f42674194129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.358035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045491/publication.txt
observed 390b5c4c4769700e5570fd81131d1a56...
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.