OpenTechnical

OT-2026-000082576

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000082576) never changes.

Identity and time

Publication numberOT-2026-000082576 · never reused
Internal UUID01a0ae97-8cc8-7df6-a19e-6f0252f27732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082576
StatusPUBLIC

Content hashes

Canonical text780c19c407b0df2e4d1a2015ff050e8b5a857d5999278c1d4c6916c9e1ac9ed6
Markdowna5d6f8c58fb45642ac98fc3d8c82547460d8e8f4169a1bba846bcf51fc0f4d49
PDF
Publication page35ae3579788465e8b7c30acf59c00904d4dbea070ffd999ca9ace638ca3f22d4
Manifestceb250395ac0313634780fa7caba6f6a875f061cea63202eacdba2b00172474c

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
Signature9SZbZRBK4JGpGgWt9z9swttzvuLrYzX5PHV1C0pLh9HL2Gz34aPpBJU88SEGjKfosYOXAJAMdbSngxMmF2ySAQ==
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

2026-09-17T09:58:01.009028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082576
observed 35ae3579788465e8b7c30acf59c00904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.993015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082576/manifest.json
observed ceb250395ac0313634780fa7caba6f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.976470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082576/publication.md
observed a5d6f8c58fb45642ac98fc3d8c825474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.959515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082576/publication.txt
observed 780c19c407b0df2e4d1a2015ff050e8b...
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.