OpenTechnical

OT-2026-000008814

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000008814) never changes.

Identity and time

Publication numberOT-2026-000008814 · never reused
Internal UUID01a0ae6a-e46c-7a81-996d-c4a84d189777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008814
StatusPUBLIC

Content hashes

Canonical texta237ec7f017d686df25cab9aaaf1f327050221ad1d87647f54c0ab24577656c1
Markdown5cb72fc3e2278c6d0a028e33cd33c45da6482b4402f87da0d6c87c4f87825167
PDF
Publication page342341ba89d153992341b06a683d3ee3a407f01169e765cabcf43c9908067ea2
Manifest549e1420e1eb1d567a4b02c5517319dd63f36accb72c33a2f1878fff8a572457

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
SignaturefgEV3OHrMIdAdTr3sgM1Y7MjYcSO4g7/15BbwrjeMwt0zQLCnKxmlJtiSPLeX3yDRuLW9HZsY4CYA6xDW+eNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:06.392584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814
observed 342341ba89d153992341b06a683d3ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.372708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814/manifest.json
observed 549e1420e1eb1d567a4b02c5517319dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.354147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814/publication.md
observed 5cb72fc3e2278c6d0a028e33cd33c45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.334436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814/publication.txt
observed a237ec7f017d686df25cab9aaaf1f327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.396016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814
observed 342341ba89d153992341b06a683d3ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.377827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814/manifest.json
observed 549e1420e1eb1d567a4b02c5517319dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.359817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814/publication.md
observed 5cb72fc3e2278c6d0a028e33cd33c45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.341247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008814/publication.txt
observed a237ec7f017d686df25cab9aaaf1f327...
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.