OpenTechnical

OT-2026-000029715

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two 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-2026-000029715) never changes.

Identity and time

Publication numberOT-2026-000029715 · never reused
Internal UUID01a0ae73-5e23-78a2-99fe-0cc4e748950b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029715
StatusPUBLIC

Content hashes

Canonical text2265f1ecdd4e525b55f49f1161c0cb5f90fdeb3dba055896895fb1ab2e3bd30d
Markdown889e89597f779c03cf8d2f4761da6d5c8cfec8cd68feb4a7e748490b75392f7b
PDF
Publication page29d7cb350609ac8f73d62a5768dc6b3f54a3acb2fee62fff9387ca648ae495a4
Manifest2f89f235555073f8866e053f0371dff170385b6fbcab0ec0d2319037ff56d9e4

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
SignatureO4NqIT5Uaw9/pMGAO06r7kx1zY29GM66G7+ZIZ3JYINDteBueIrBk/tmHHIJuj0LLOh3jDABPkJJ8nFJExGHBA==
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

2026-09-17T11:39:26.673892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029715
observed 29d7cb350609ac8f73d62a5768dc6b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.649506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029715/manifest.json
observed 2f89f235555073f8866e053f0371dff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.627560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029715/publication.md
observed 889e89597f779c03cf8d2f4761da6d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.607905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029715/publication.txt
observed 2265f1ecdd4e525b55f49f1161c0cb5f...
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.