OpenTechnical

OT-2026-000078471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078471) never changes.

Identity and time

Publication numberOT-2026-000078471 · never reused
Internal UUID01a0ae95-7c28-7f05-85d6-2c3cac1fb80b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078471
StatusPUBLIC

Content hashes

Canonical textfca165cf1a49b9a9b0b9466d48347242965d1d34fdf893912fb290cc259e0ffa
Markdown63d3ac8ca565b7e141d790a4f09c7850e60eb87f557e53f2fc736e5fc65935ca
PDF
Publication page44a4b20523b23327e5e797478a70591abc6cbadfde65df25222aa8c797c0a246
Manifestc008544e03ef7e00e1b23b5907de0a65ade34c5cf5decc87b87a24d231be2b71

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
SignaturepQmrfrXVRvcTgR5m+qiFxGVwcJEdRb7HR6U4suYpjbnICPtL0ErKNM4Mj4nKODoQqwGxJZtjsqlOyJz6Kb3oAg==
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

2026-09-17T10:06:28.567170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078471
observed 44a4b20523b23327e5e797478a70591a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.550546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078471/manifest.json
observed c008544e03ef7e00e1b23b5907de0a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.532997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078471/publication.md
observed 63d3ac8ca565b7e141d790a4f09c7850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.515114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078471/publication.txt
observed fca165cf1a49b9a9b0b9466d48347242...
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.