OpenTechnical

OT-2026-000021145

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000021145) never changes.

Identity and time

Publication numberOT-2026-000021145 · never reused
Internal UUID01a0ae6f-865b-722d-ab95-b93b1858d74f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021145
StatusPUBLIC

Content hashes

Canonical text9e3d53bebd24b90fd29923fb2a04eeb5787fe4aacbb10f073832c4d6ee2fc412
Markdown068ff27f3a242a0ac484966f9daa01af55525febed350beb2c499867cc269482
PDF
Publication pageb9cfd33854c8a5cdb6542b3c0deeb28e231aa001a9c30fa5dbb264ddaedbedab
Manifestb2d2f8cc42514273532e31d7dccea8f3c98d399a2a00a3a60f3ed52d3ed4e353

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
Signatureq/FHdsrZBDncb+MxsZe949HupO9gMD0axSko/HMY19+W4W/hJqCgCC0C73ZYbu0vJ/kONv8iq4wF/Crm+YpLDg==
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

2026-09-17T11:54:54.140675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021145
observed b9cfd33854c8a5cdb6542b3c0deeb28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:54.123049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021145/manifest.json
observed b2d2f8cc42514273532e31d7dccea8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:54.103204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021145/publication.md
observed 068ff27f3a242a0ac484966f9daa01af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:54.081889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021145/publication.txt
observed 9e3d53bebd24b90fd29923fb2a04eeb5...
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.