OpenTechnical

OT-2026-000066509

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000066509) never changes.

Identity and time

Publication numberOT-2026-000066509 · never reused
Internal UUID01a0ae8e-ce41-718d-9e95-9842dad837c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066509
StatusPUBLIC

Content hashes

Canonical text6685ca12035ee495ef1c312407f079f150deb6fdb2502b2962a1b2f79cce83a9
Markdown631fc9ba73dca26be8da64028fd5a719666174db1e634b41046f7ed331db5b5e
PDF
Publication page2885444c8b2288c654875f8e6e5bb9534db82c02d788ceb6a6ecc5b54b6f8563
Manifest5e1502fcaa5e40e60b42de99958136b41651adcd3fbebe168eae412d5cb28613

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
SignaturezIFlbMorjXczQuHu/p3kM+4bgeBZJ9VPDytKVh6YbxO7gFrXtgqoIIZ97dHzxqEE8m+ISXPWAoO76Zne1eaOCw==
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

2026-09-17T10:32:46.137792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066509
observed 2885444c8b2288c654875f8e6e5bb953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.120786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066509/manifest.json
observed 5e1502fcaa5e40e60b42de99958136b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.104299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066509/publication.md
observed 631fc9ba73dca26be8da64028fd5a719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.088913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066509/publication.txt
observed 6685ca12035ee495ef1c312407f079f1...
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.