OpenTechnical

OT-2026-000012968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012968) never changes.

Identity and time

Publication numberOT-2026-000012968 · never reused
Internal UUID01a0ae6d-5564-7b0a-96a7-83bf4dc2cfd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012968
StatusPUBLIC

Content hashes

Canonical textb91b06940e51894c928772181f3ed9c4bf9dd99970b7104f8f0b567fcb2806d2
Markdowna7df91e9495b5b80cbbdeaa4d05b0bc73cde5bba55379637edc1d8184a317537
PDF
Publication page677453b337cd1f1e4022fb9a344a15886c469650315afe01d6e043b285e8c944
Manifest647e63ab4a7389943c14e02aa3328acda0b15b8e343fb393f359502e78e5cd90

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
SignatureS17dqmIAp3zhS+JNVadTmdhcZOiQOiYL1gLkwYq43k5gscIDlv40vC8ej4C8dVhvpjlbcypt9MdAvguR5ZTNDA==
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

2026-09-17T12:10:46.740462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012968
observed 677453b337cd1f1e4022fb9a344a1588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.718705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012968/manifest.json
observed 647e63ab4a7389943c14e02aa3328acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.698012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012968/publication.md
observed a7df91e9495b5b80cbbdeaa4d05b0bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.678378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012968/publication.txt
observed b91b06940e51894c928772181f3ed9c4...
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.