OpenTechnical

OT-2026-000092453

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained 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-2026-000092453) never changes.

Identity and time

Publication numberOT-2026-000092453 · never reused
Internal UUID01a0ae9d-b5fc-791e-bcee-0ac70fc057a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092453
StatusPUBLIC

Content hashes

Canonical textae28586ceaec10999df066b3f865afbac511b55ae58d7796ff3556b685c1326e
Markdown36dff05e3d42f23cef77224e6865c4d88b6b211f77bde56f1c800b115f1bb88c
PDF
Publication page3257cb7963f2c43d66164a2a401600dd38cf1a64508805882e4bdec76b86d6dc
Manifest85c2ffc0919fa75e372eecb20a6afb8015efa93b52fa2d1f3db9bff3c28352de

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
SignatureHrjGzINf1mtqUER5Xfz/0VQxBuEyhWvy8LoGI+mU7ANPyzZ77imfUHMwwM5kHOOH+7ZWDgV1ug4GPkMl4/SQAQ==
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

2026-09-17T09:41:00.867192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092453
observed 3257cb7963f2c43d66164a2a401600dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:00.850387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092453/manifest.json
observed 85c2ffc0919fa75e372eecb20a6afb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:00.833273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092453/publication.md
observed 36dff05e3d42f23cef77224e6865c4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:00.816512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092453/publication.txt
observed ae28586ceaec10999df066b3f865afba...
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.