OpenTechnical

OT-2026-000057811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000057811) never changes.

Identity and time

Publication numberOT-2026-000057811 · never reused
Internal UUID01a0ae88-6ed8-77d7-882f-1ff999b1055b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057811
StatusPUBLIC

Content hashes

Canonical textc208e12f6d420bbcc4f98a2c41d0ce76179543e56f8e5570b7c6c1d39115d8aa
Markdownbdea6d6bab7af1653ecc27a0b67d90bfe0323c5f0a7da5be7f1849f5453c1ca2
PDF
Publication page8e7e2bc5dc9b676bdd9d4f32cdaf9c9acc317e2871475380fe2e9721a7d7f038
Manifestf483cefeab507d3e254fdddaf3f112725862632c41898e174268389165afaf4e

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
Signature4zzjLQjWkTwt/tK2eQSf0yBuNW2YNBORaD9LteD3YChoP3TAfWqhZ/3cCuJaKjMPlzhy96TRLccHwni5b6UQDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:22.805885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057811
observed 8e7e2bc5dc9b676bdd9d4f32cdaf9c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.784516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057811/manifest.json
observed f483cefeab507d3e254fdddaf3f11272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.762103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057811/publication.md
observed bdea6d6bab7af1653ecc27a0b67d90bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.742120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057811/publication.txt
observed c208e12f6d420bbcc4f98a2c41d0ce76...
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.