OpenTechnical

OT-2026-000041922

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041922) never changes.

Identity and time

Publication numberOT-2026-000041922 · never reused
Internal UUID01a0ae79-e8a6-7e96-8657-792650eaea05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041922
StatusPUBLIC

Content hashes

Canonical text2c19b31ecd0d4db0c4102e87932e699d5237d1852649dd4e49b4a94d2c6dec9f
Markdown8d19f2a16ae0776616d4280311aaefbd1540dc5b2d35bf006e5637087b4d9d18
PDF
Publication page08e780f426a2aaacdd5a4e56d64165dbee444b0a2b4d03781512c8dcfe57317d
Manifest4f37c408218afa4da6abf15021c3b50f0c20d22a57e6b7b20f6761b684b038d1

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
SignatureM2BuhJJ9jck6utQJ0cuMDVr34UbnTKlQ8Hr9D8PxW3svemh/1tw5KPnu2C4R8TAtQm/zR/XnbE/OJUkMA4KgCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:48.502797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041922
observed 08e780f426a2aaacdd5a4e56d64165db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.483639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041922/manifest.json
observed 4f37c408218afa4da6abf15021c3b50f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.465218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041922/publication.md
observed 8d19f2a16ae0776616d4280311aaefbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.446362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041922/publication.txt
observed 2c19b31ecd0d4db0c4102e87932e699d...
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.