OpenTechnical

OT-2026-000082822

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000082822) never changes.

Identity and time

Publication numberOT-2026-000082822 · never reused
Internal UUID01a0ae97-8cc9-782a-9dd4-6a775832404d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082822
StatusPUBLIC

Content hashes

Canonical text94d07e85a1d7fcfdd38424f1e430bf3db410123e47b99dc2d50b359dc5af5d7d
Markdown5a86637ece4b7278c049c9e80f3548403ed2c5991eded25a849523bd14d1c433
PDF
Publication pagecd117df393b4210b990f648db80deeb48b092170838d77a46826237ce902f0ec
Manifest2ba140154a6edff36afa69272e80650947a31a0198f8d5da7926d3228f6be25f

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
SignatureOJVHo3VbVB0Rqo2tC6anX8R3sQFStJYf2xhKkNOZE6xiNxYpPbwYM885sLx6LoRF9QzeWdfILcbXkQytwsdnCw==
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

2026-09-17T09:58:25.204813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082822
observed cd117df393b4210b990f648db80deeb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.187485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082822/manifest.json
observed 2ba140154a6edff36afa69272e806509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.170264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082822/publication.md
observed 5a86637ece4b7278c049c9e80f354840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.153618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082822/publication.txt
observed 94d07e85a1d7fcfdd38424f1e430bf3d...
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.