OpenTechnical

OT-2026-000063775

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000063775) never changes.

Identity and time

Publication numberOT-2026-000063775 · never reused
Internal UUID01a0ae8c-f947-715a-9588-2fa504f311d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063775
StatusPUBLIC

Content hashes

Canonical textdec3c82218ce51a16b96d941c30823f7f33ee47319c3002bcf17b284fffc6fbc
Markdowncb6dc6333484af54803a51276da9af168ab35c052e82c56eb5ff34bb43e573b3
PDF
Publication page63e12189ec7d8dc484e2690530e1b512a92187352c958294fe13557853111a38
Manifestd91574b8e22a2d2db5cb4fd1431e57a030db3639fa4dd72f8b21906b898ba335

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
Signature7T9ZwwmqJiTdsZt9P8Gc/HL9yPagHWwOarfOVBuS4pysUDvXYCWlNLgfafDIYtwBNlSBh/KW5LK0/QsEh/c5CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:03.691916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775
observed 63e12189ec7d8dc484e2690530e1b512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.672422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775/manifest.json
observed d91574b8e22a2d2db5cb4fd1431e57a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.644049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775/publication.md
observed cb6dc6333484af54803a51276da9af16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.618580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775/publication.txt
observed dec3c82218ce51a16b96d941c30823f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.969310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775
observed 63e12189ec7d8dc484e2690530e1b512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.952745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775/manifest.json
observed d91574b8e22a2d2db5cb4fd1431e57a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.934857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775/publication.md
observed cb6dc6333484af54803a51276da9af16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.918912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063775/publication.txt
observed dec3c82218ce51a16b96d941c30823f7...
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.