OpenTechnical

OT-2026-000085762

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000085762) never changes.

Identity and time

Publication numberOT-2026-000085762 · never reused
Internal UUID01a0ae99-e828-7e92-b5c0-5b2c6e51085f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085762
StatusPUBLIC

Content hashes

Canonical textb4a65769b31c410297b5555cb708a45bace40502b079ff8c4791a2fa63f5943e
Markdown2aad9ff756709594f63afe0ae23c1039ae77294e489390435d9a86ad5d70fd17
PDF
Publication page293f813bb41e93ee19d10cc75c8f51414dc7b482199cf012ccc67bc4e679eccd
Manifestaedd04255dd8c72245fe994e94975d6beaf9d56f539480c07759742614770b57

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
Signatures75XqitRg+PWGJpr3HegqtTGEzPWSCpD4mIM3yg9JSkmYC5ZUQHL57yYAVLm/opYL6+jZMvHpljgVYbE0S/iAg==
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

2026-09-17T09:52:39.161052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085762
observed 293f813bb41e93ee19d10cc75c8f5141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.142333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085762/manifest.json
observed aedd04255dd8c72245fe994e94975d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.124069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085762/publication.md
observed 2aad9ff756709594f63afe0ae23c1039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.104020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085762/publication.txt
observed b4a65769b31c410297b5555cb708a45b...
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.