OpenTechnical

OT-2026-000045692

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000045692) never changes.

Identity and time

Publication numberOT-2026-000045692 · never reused
Internal UUID01a0ae7d-8f04-7fa4-84df-1498eda35254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045692
StatusPUBLIC

Content hashes

Canonical text5a162b5e24c1ccc1f0f1c3dc85a0990591eb9dd49775f6a8254a03c495e06c7c
Markdownd67a4ed2c97cbd72bd6c74b9e019681f7d527dd69cc5f686e96bce78ee97bfbc
PDF
Publication page304b4ed82077a577b7aa466f33e972034afe50a51c73e149f9b9a96c690b3d03
Manifestb3d6cd80b87830049d87e85886ff6a1721933a348add3408a6ecff88af1695b5

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
Signature/pyTqUQ6ZoYj/CxqQkvy16JFHHMPRjc+E5uxxr9eIN+GTZKqqujtmyS7KpFAVhyr1+TF/AvrYcGl538YuS/iBQ==
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

2026-09-17T11:09:29.753522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045692
observed 304b4ed82077a577b7aa466f33e97203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.735329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045692/manifest.json
observed b3d6cd80b87830049d87e85886ff6a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.716460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045692/publication.md
observed d67a4ed2c97cbd72bd6c74b9e019681f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.696953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045692/publication.txt
observed 5a162b5e24c1ccc1f0f1c3dc85a09905...
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.