OpenTechnical

OT-2026-000088235

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000088235) never changes.

Identity and time

Publication numberOT-2026-000088235 · never reused
Internal UUID01a0ae9b-1aa9-75a8-a0c3-ebc349eaece1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088235
StatusPUBLIC

Content hashes

Canonical textf7ba528ce09318276e9a93e00f3aa933eaa994fdec30b10b6dfc7417b6af64a7
Markdownb3e7c09d6cf51e2a8de2b7fa703406b253a3dee8e264d7f4a85cf3c310911aa2
PDF
Publication page32536c7fee6dc32b8f20df957cea45df1ff9c33be27175a37b18136c944b1c5a
Manifest47b4459ab689700488ae23e227d95c546eedcf6ddb1b506b690467aa221babc9

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
Signature3irlbkGE1RP3tXYdMFOw1H4c9CNrHYODh/5Jii9FeCP2alII7uHMd/LTqEN7Ob6NyoAN0huYMZqomz/T4CPTDg==
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

2026-09-17T09:50:20.249279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235
observed 32536c7fee6dc32b8f20df957cea45df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.229947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235/manifest.json
observed 47b4459ab689700488ae23e227d95c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.209553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235/publication.md
observed b3e7c09d6cf51e2a8de2b7fa703406b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.191050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235/publication.txt
observed f7ba528ce09318276e9a93e00f3aa933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.864651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235
observed 32536c7fee6dc32b8f20df957cea45df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.846559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235/manifest.json
observed 47b4459ab689700488ae23e227d95c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.824843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235/publication.md
observed b3e7c09d6cf51e2a8de2b7fa703406b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.804701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088235/publication.txt
observed f7ba528ce09318276e9a93e00f3aa933...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent