OpenTechnical

OT-2026-000074882

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000074882) never changes.

Identity and time

Publication numberOT-2026-000074882 · never reused
Internal UUID01a0ae93-ac2c-791e-937c-02b6050c0cdb · 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-2026-000074882
StatusPUBLIC

Content hashes

Canonical textb54ad05d09ee1b64e978fbea2f08e66ae921815069b73b049c3cf16fb4087d19
Markdowndd973c47dfe6d7b8ac9bdfbc55957cf4e2ade0440c67c91f191ae1f54c076ac3
PDF
Publication pagecc5fade835db9997f23f45c61faca6d4b7193c5da8065129e254a88a56b1d876
Manifesta04a10be4232eb5ba143c09f148dfe6f62a1ea6803d3faa33c0b4edf69f67a9e

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
SignatureOC2F4QEWZC6FUCWx+cg7kyTTyKzfXn90KaeGe7LxkGddkqDAsk6UjXwZqKhTmduFTcamJbu9TLCEh5w3D6TmAw==
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

2026-09-17T10:18:36.234743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074882
observed cc5fade835db9997f23f45c61faca6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.210879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074882/manifest.json
observed a04a10be4232eb5ba143c09f148dfe6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.185835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074882/publication.md
observed dd973c47dfe6d7b8ac9bdfbc55957cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.169386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074882/publication.txt
observed b54ad05d09ee1b64e978fbea2f08e66a...
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.