OpenTechnical

OT-2026-000071384

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000071384) never changes.

Identity and time

Publication numberOT-2026-000071384 · never reused
Internal UUID01a0ae91-e0ed-70a0-a0fe-3d98b300bbb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071384
StatusPUBLIC

Content hashes

Canonical text835df861185aa441b947847ad885be0beb8c30eb197d331560a897e2a33f953a
Markdown5d4ce2c89f21fd730de5098af9e8b9cbd48c24959f1089dbd1aab4a753791fe1
PDF
Publication pagea8203c52b4547bccf259e4cf8e03c1fb3799454e2e54662f16d674526b1580ec
Manifestb9eaa8119a64fe798e2f1ae5e456a967ebdc0753deccb43820fabb608b48ab63

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
SignatureK+fL67Qx+i2gbt40BhGuk6SHUMvJrHWPDupG5fdDaD24cKh8RWeg7SQz2zAJWZinJ0kbBhXxTDW2TD8ulEl/BA==
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

2026-09-17T10:25:00.302755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071384
observed a8203c52b4547bccf259e4cf8e03c1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.285147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071384/manifest.json
observed b9eaa8119a64fe798e2f1ae5e456a967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.268212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071384/publication.md
observed 5d4ce2c89f21fd730de5098af9e8b9cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.251792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071384/publication.txt
observed 835df861185aa441b947847ad885be0b...
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.