OpenTechnical

OT-2026-000034880

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000034880) never changes.

Identity and time

Publication numberOT-2026-000034880 · never reused
Internal UUID01a0ae76-1ed3-771c-8669-79aeba11eac8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034880
StatusPUBLIC

Content hashes

Canonical textd3bf5b83463a5a08ffc328060e5f0d973d07b517e0a7cc8232f9a6fc31651fd5
Markdown79d91cde497da57552f12e99232c08de1fddaf7990060256f158f16d9e61aa94
PDF
Publication pageca68e32989415d1272e703f3c3c944eda2b4e63c95384e6ccc0c7cae6ba55ab4
Manifest35c332678cbd9794240b828ce80607a166562ad4df17b391076ebcd7b0b811db

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
Signaturec0N4wofYBibr7kbzJWTmkIu0RWtufPfxQ5qbusN8iFNOn3Obg3fBBiq20FcLD0r/WrhvWz6BxPNx5kkAmCyzCg==
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

2026-09-17T11:30:32.121934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880
observed ca68e32989415d1272e703f3c3c944ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.104735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880/manifest.json
observed 35c332678cbd9794240b828ce80607a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.088195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880/publication.md
observed 79d91cde497da57552f12e99232c08de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.067419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880/publication.txt
observed d3bf5b83463a5a08ffc328060e5f0d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.988162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880
observed ca68e32989415d1272e703f3c3c944ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.963234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880/manifest.json
observed 35c332678cbd9794240b828ce80607a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.942080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880/publication.md
observed 79d91cde497da57552f12e99232c08de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.924622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034880/publication.txt
observed d3bf5b83463a5a08ffc328060e5f0d97...
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.