OpenTechnical

OT-2026-000036814

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000036814) never changes.

Identity and time

Publication numberOT-2026-000036814 · never reused
Internal UUID01a0ae77-773e-725d-b149-782feb49b64c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036814
StatusPUBLIC

Content hashes

Canonical text604f298f12df529f50744c17f420bf743217eefaf94d3ff06f44efb7f52c5af2
Markdown698b14eaae40d03fb4ec63aba8e06d40170488851c14e2bac37be66681410815
PDF
Publication page33d8dec7683432e1c2b12f65de391b3f0f7e30580ea713e0119c6fe3a7928fda
Manifest1c754d031a13a8b9c0b9cc48db2e02949d87f29e856cba10917be9f28f1766cb

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
SignatureAXGaXlUQkxXrpeoVeAzrXll2DVtxnfIH6k7h+8RVo3MAxiNJJwB/5hX0SVsjVZvqsHTj+nQnup1uzVm3eG+YBg==
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

2026-09-17T11:24:25.638888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036814
observed 33d8dec7683432e1c2b12f65de391b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:25.620653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036814/manifest.json
observed 1c754d031a13a8b9c0b9cc48db2e0294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:25.603911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036814/publication.md
observed 698b14eaae40d03fb4ec63aba8e06d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:25.587031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036814/publication.txt
observed 604f298f12df529f50744c17f420bf74...
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.