OpenTechnical

OT-2026-000034650

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000034650) never changes.

Identity and time

Publication numberOT-2026-000034650 · never reused
Internal UUID01a0ae76-1ed1-7f6e-89d9-7977cae681eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034650
StatusPUBLIC

Content hashes

Canonical textfddb9f74155ab3a23f461bf53a509889ef62604d204a401320581abffb99bd8b
Markdownde9701dd0a56a7f1ce2a5beb2f01b307f7409e5d5ffb5681295013f3ced461b0
PDF
Publication page3f65fa8347bb6962cd8ddf3d3950eb6880e9fb18fcd6c0b8071deea1385fadb6
Manifest8d4a9f04535d567379931aea89310f6a1b3b82cb6788a8142be10b64b65d8d8d

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
Signaturef5UlB53lqj2ayKiU3puBU+PPXN7z+r4Hganro+NDQH6bV8NkFUJHp3yc6rV1k3lTlvZSqROemsc8KFKjVSLADQ==
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

2026-09-17T11:29:02.456697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034650
observed 3f65fa8347bb6962cd8ddf3d3950eb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.440719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034650/manifest.json
observed 8d4a9f04535d567379931aea89310f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.423416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034650/publication.md
observed de9701dd0a56a7f1ce2a5beb2f01b307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.406297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034650/publication.txt
observed fddb9f74155ab3a23f461bf53a509889...
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.