OpenTechnical

OT-2026-000046506

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000046506) never changes.

Identity and time

Publication numberOT-2026-000046506 · never reused
Internal UUID01a0ae7e-57dd-7102-9c97-8439e55e29fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046506
StatusPUBLIC

Content hashes

Canonical text07818a7b843b7b1446b48506bf33ad92824b8bcc1c850e760be5731103fb14eb
Markdowne063371bbaae6fbc77efaba3be0ce6ff938a36f59e660eca3b0269dc9939398e
PDF
Publication page4706c46227b48bfef1b90825a2f8ca14d623e06df1fed40b285165884abf432e
Manifest9c17b0d811b8126a30b6e572b0177f0076414b67be287e31c75b4d54e1fec86f

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
Signaturea+wjqG9XWbMc7IJoK96a54DTjGNZAGRsdONQvA+d3eOE/kC3sQvr4U02uZCDwssLM5jvKY5SrIDvSibu+cwPBw==
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

2026-09-17T11:08:32.921941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046506
observed 4706c46227b48bfef1b90825a2f8ca14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.903191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046506/manifest.json
observed 9c17b0d811b8126a30b6e572b0177f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.884026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046506/publication.md
observed e063371bbaae6fbc77efaba3be0ce6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.864678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046506/publication.txt
observed 07818a7b843b7b1446b48506bf33ad92...
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.