OpenTechnical

OT-2026-000046554

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000046554) never changes.

Identity and time

Publication numberOT-2026-000046554 · never reused
Internal UUID01a0ae7e-57dd-7682-8397-f67253dedecf · 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-2026-000046554
StatusPUBLIC

Content hashes

Canonical text44c83ab020d7f0219495c3c3d14839ee4d1f8316ac38ed644e6c0b6f060cb669
Markdownbc220709c1c9694f8f5caa0a3540f52bee8b383298c928552cc180cf7051deb1
PDF
Publication pagedab90df319fb09d3fe4350b17d8c5c2106c9caf9be8b5f878468c12105d2ff78
Manifestd2ba0b03c402791d53ec430f0762532fc76e4a808aa9ec3ca9b74ae25a528bb2

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
SignatureaeOx2N5+BnUON8ceSXospve0TqjCLASkY1VhyDiigLIb10osmCmADXTqrrRaTOXItlasoJcZQxhsuSMUkW2XBA==
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

2026-09-17T11:08:36.822594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046554
observed dab90df319fb09d3fe4350b17d8c5c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.804469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046554/manifest.json
observed d2ba0b03c402791d53ec430f0762532f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.787390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046554/publication.md
observed bc220709c1c9694f8f5caa0a3540f52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.770159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046554/publication.txt
observed 44c83ab020d7f0219495c3c3d14839ee...
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.