OpenTechnical

OT-2026-000004353

Publication integrity record

Bellows cup vacuum gripper, four zone face, two outlet manifold, three stage ejector

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-2026-000004353) never changes.

Identity and time

Publication numberOT-2026-000004353 · never reused
Internal UUID01a0a914-ea88-7069-a9bb-68a2abe55a90 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:18:35.403077Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004353
StatusPUBLIC

Content hashes

Canonical text1518a783bd7e8b0dfcc6e062ac642709fcfc1c56297bdad8961b7fd4a9622c0f
Markdownd13ad9ef25f490b3e73c78434b9571a6e2b62090bdeb6e7137c79d8570325a65
PDF
Publication page5cc92bea6bb2157b036d1acb8450b4c6549648a113285ac6198a52c9dc28d3c0
Manifestfbe0357c3158f251d4e9a6851c839972e5de82c4ee904bf6876cb5cb5514aedb

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
SignatureuWxH0Fd4TXm/m2pLf1u3k8c2JhlZT7nyGeIzR+aZRyOcu2pIfQ3QWZxSfSpOFjhRGKhol33LDQVXCskFhqCcBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:07.457423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004353
observed 5cc92bea6bb2157b036d1acb8450b4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:07.443695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004353/manifest.json
observed fbe0357c3158f251d4e9a6851c839972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:07.430242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004353/publication.md
observed d13ad9ef25f490b3e73c78434b9571a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:07.415357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004353/publication.txt
observed 1518a783bd7e8b0dfcc6e062ac642709...
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.