OpenTechnical

OT-2026-000084602

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000084602) never changes.

Identity and time

Publication numberOT-2026-000084602 · never reused
Internal UUID01a0ae98-e25b-77f4-a5eb-1e17cd4f3a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084602
StatusPUBLIC

Content hashes

Canonical text85ca7d469c4c08e969c783bf525186181f305bbbc8f66b20c8123587c8155714
Markdown86e8a4cc6dc4e2107be23e1e4f5638be6721faa903e08bb4bdab09bd178a681c
PDF
Publication page97da2963ce013d64bf64865f338f286ae330a32efc002df7fa010e8a4d653014
Manifestfb246838ccd46e6b6650499bd5a0f15111e31874d0f36a84db8479cc3a4f2b06

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
Signaturezezg0XJ0qCM3XbWZWJisK0de2kX4KDk5z3Xhy/mjxLbaUih7rm3ZCAlIbypW0HC1o/FS1jCN188Dv15BtBdkCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:30.556741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084602
observed 97da2963ce013d64bf64865f338f286a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.538305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084602/manifest.json
observed fb246838ccd46e6b6650499bd5a0f151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.520201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084602/publication.md
observed 86e8a4cc6dc4e2107be23e1e4f5638be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.502234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084602/publication.txt
observed 85ca7d469c4c08e969c783bf52518618...
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.