OpenTechnical

OT-2026-000102954

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off 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-2026-000102954) never changes.

Identity and time

Publication numberOT-2026-000102954 · never reused
Internal UUID01a0aea4-be3c-7155-9708-a2e288bfb060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102954
StatusPUBLIC

Content hashes

Canonical textbd3e502da837da6cb775735b79e1a0ed7cd476966501ba442c858126dc44be60
Markdown33b133e8ff27ab0d9ee3159dbf89ba8c8b2dbeaa78f1cc4ba4c6b85e0d71c004
PDF
Publication page8f84bf3a40b59593fd96c86ae049f319ca455af6d450878418fddda45043121c
Manifestbd3b59503fe6bb9b5c4ff57ea8f239c2873f98d79e113bad7a32a9874ae21675

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
SignatureSvEBb8sWRJxkwNVj9ET6GT6hIhCnNNKgmciGKeJTn0gwlmSC7AHzck1LzwAxIVwvRfnm8HptqxKypEkQoZdSDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:03.676562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102954
observed 8f84bf3a40b59593fd96c86ae049f319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.660364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102954/manifest.json
observed bd3b59503fe6bb9b5c4ff57ea8f239c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.643963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102954/publication.md
observed 33b133e8ff27ab0d9ee3159dbf89ba8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.625827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102954/publication.txt
observed bd3e502da837da6cb775735b79e1a0ed...
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.