OpenTechnical

OT-2026-000021608

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000021608) never changes.

Identity and time

Publication numberOT-2026-000021608 · never reused
Internal UUID01a0ae6f-bb59-762b-bddb-2c0caeb120f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021608
StatusPUBLIC

Content hashes

Canonical text392d126227fcede0b9e99b3d23c674ca7fe373a0dcc00e505153ee183b9b4e94
Markdownd9aa4fc18471c61d71a378348cab2f2b53db9f1dc8fc3486b933780605924b8e
PDF
Publication page1b4213a89687b655302175671522951a3a0ccb690c9a45e34db919eb2960c1f8
Manifest6ea9201302fbd5e58419deb7a78458b31910a2ab2191accb6445e0c41b14483c

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
Signaturex5MNy44GBPppkTIDSueovYk7soKMywiqTQ7IRVzqfBt/zJ8A7ZqomSsOOjewyk2nxrPcSQHLipzKYGa1f+ABAQ==
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

2026-09-17T11:54:08.030313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021608
observed 1b4213a89687b655302175671522951a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:08.011837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021608/manifest.json
observed 6ea9201302fbd5e58419deb7a78458b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:07.994479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021608/publication.md
observed d9aa4fc18471c61d71a378348cab2f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:07.977323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021608/publication.txt
observed 392d126227fcede0b9e99b3d23c674ca...
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.