OpenTechnical

OT-2026-000099891

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099891) never changes.

Identity and time

Publication numberOT-2026-000099891 · never reused
Internal UUID01a0aea3-1473-7564-be9c-48a9c7d9d9ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099891
StatusPUBLIC

Content hashes

Canonical text62f5a57747530107e72b57f5fd23c99b830dc392af49c2e098e4c7f3ab7ffce3
Markdown5c86bc467e0cea2c93676522e29eb549c4b43c135a640438de9a0aed329d6e68
PDF
Publication page22b7cf0676adb3c5b3035681cadc2c13c4904a903ef8b01e32cdf1f6e8f2266f
Manifest6446471cb2091e0b822a6de8d7130d085240d8afe1f9f83c205bd5768bb17cb7

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
SignatureL+5OYH0BIhO5tTzKFCgVHUvEDvAQujZd3O7i+KkAL9gzGzuLItLJ1rpbVbMme7OGMkMRkgsgfGMlk7sBe/1IAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:31.426322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891
observed 22b7cf0676adb3c5b3035681cadc2c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.406838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891/manifest.json
observed 6446471cb2091e0b822a6de8d7130d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.388668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891/publication.md
observed 5c86bc467e0cea2c93676522e29eb549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.367679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891/publication.txt
observed 62f5a57747530107e72b57f5fd23c99b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.115975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891
observed 22b7cf0676adb3c5b3035681cadc2c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.096793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891/manifest.json
observed 6446471cb2091e0b822a6de8d7130d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.079751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891/publication.md
observed 5c86bc467e0cea2c93676522e29eb549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.061744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099891/publication.txt
observed 62f5a57747530107e72b57f5fd23c99b...
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.