OpenTechnical

OT-2026-000029291

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000029291) never changes.

Identity and time

Publication numberOT-2026-000029291 · never reused
Internal UUID01a0ae73-2aa1-773e-bedc-274e075672e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029291
StatusPUBLIC

Content hashes

Canonical text7a5fbcc5b6d0faf88e865a69f0861169fc34a00d497df8cdbbe77198cc5f11dc
Markdownf3623ceb91d39ecb3180aa9b47dc0efca661f43e19de8877dde684c66ea86d76
PDF
Publication page8dec01a7e25d888444d83f3beeb6e2c6c475e12d31f40765a7a4f8b78bd437bb
Manifest23deaf2c69d6885b747498fe95bb9172870247c2ac339e578703d75c763b7d6f

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
SignatureA2A/ba9vzoNQcZ00XXD/JdYXSR2mejRDKrpVOMaxVh8WmePhXi8s/m5bk4tVmSq1EHrTgUeqkilivzW9ir/yBw==
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

2026-09-17T11:39:55.694556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029291
observed 8dec01a7e25d888444d83f3beeb6e2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.677717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029291/manifest.json
observed 23deaf2c69d6885b747498fe95bb9172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.661539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029291/publication.md
observed f3623ceb91d39ecb3180aa9b47dc0efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.644171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029291/publication.txt
observed 7a5fbcc5b6d0faf88e865a69f0861169...
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.