OpenTechnical

OT-2026-000074613

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000074613) never changes.

Identity and time

Publication numberOT-2026-000074613 · never reused
Internal UUID01a0ae93-ac2a-70af-abfb-5bf52c817407 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074613
StatusPUBLIC

Content hashes

Canonical textb163deb10bdd1acc4e839319d3982b8b89a1753d302bf68a673cb56cbde618cc
Markdown7e868a39c024eed65de12d871a2fdbf2ff44630fffae937dcc33d553d448f86d
PDF
Publication pagea4980d0acef84f67ed60e90c8ae6f81862641869ef9741a275a79a8aeaf731a2
Manifest9d588f0d1009a25a7d77c88673712a7f7176482e1b47269fd7721654ad50c7dc

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
SignaturesL9mDg5ITUsln/9jtOXFLraK5Nv4I7P2nEgO/sC6/cMRsGKD9EITv+bcTs9B7Hr/3ltc31K9WZpfyfJfh7dBBg==
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

2026-09-17T10:18:08.053702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074613
observed a4980d0acef84f67ed60e90c8ae6f818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.031543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074613/manifest.json
observed 9d588f0d1009a25a7d77c88673712a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.010922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074613/publication.md
observed 7e868a39c024eed65de12d871a2fdbf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:07.990143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074613/publication.txt
observed b163deb10bdd1acc4e839319d3982b8b...
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.