OpenTechnical

OT-2026-000054114

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000054114) never changes.

Identity and time

Publication numberOT-2026-000054114 · never reused
Internal UUID01a0ae85-b3a8-788c-a700-37489301e00d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054114
StatusPUBLIC

Content hashes

Canonical text2a314678519a4ce14762286a2cfc9844030e782af676345825f855b6c44e69af
Markdownbc3ab348491b182e3a16271c684fb2da1305ca5acf20f6235d6b8f2c97acae68
PDF
Publication paged40386e0ecc66b684a2e7dc8723191fae254f6872a390ccd532794b7ff135380
Manifest5ba9c478f113d3f8e4d657507ebe0eec4318d243c6a98dd7356f2e89e61ecd16

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
SignatureY5I1VRQCzhDFltudF5u+6Emgh9JlSFZEeO4pY37UEXbtFW40hra8XtvX193P8K3B09EdD3PTXlL2yKDA6hTuCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:30.605789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054114
observed d40386e0ecc66b684a2e7dc8723191fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.586895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054114/manifest.json
observed 5ba9c478f113d3f8e4d657507ebe0eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.569081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054114/publication.md
observed bc3ab348491b182e3a16271c684fb2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.551036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054114/publication.txt
observed 2a314678519a4ce14762286a2cfc9844...
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.