OpenTechnical

OT-2026-000041598

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000041598) never changes.

Identity and time

Publication numberOT-2026-000041598 · never reused
Internal UUID01a0ae79-e8a0-71d2-8a6d-767a9c7c791c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041598
StatusPUBLIC

Content hashes

Canonical textb74dbfdcd1e2f956e464939bf33f0a5387eb4285d05bd2d5d2de0720e9c4b76d
Markdown492f3005244dcd37214cd30bac5cb7bd39d8b00b3c8a7fd51b1253ee7130e484
PDF
Publication page9436bbf3f4213e403117fd32bff9f4c6f207375d23a03ba5a022a44d1d50667c
Manifestd9972d4847fb117b8b27d85decbb321aade4e372ff49948a42ffbf1f3cda15dc

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
Signature+aAuYO/+UIziAd1q9ai21x0QkHjR6ANiGRsvTeJp2JMqbhNmlCAT+3T1be1H3Ri5itEvqctcmjfYXaMnFok3DQ==
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

2026-09-17T11:16:23.346552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041598
observed 9436bbf3f4213e403117fd32bff9f4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.329357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041598/manifest.json
observed d9972d4847fb117b8b27d85decbb321a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.310721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041598/publication.md
observed 492f3005244dcd37214cd30bac5cb7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.293857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041598/publication.txt
observed b74dbfdcd1e2f956e464939bf33f0a53...
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.