OpenTechnical

OT-2026-000025623

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000025623) never changes.

Identity and time

Publication numberOT-2026-000025623 · never reused
Internal UUID01a0ae71-9bc9-709d-ab36-75df4532e285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025623
StatusPUBLIC

Content hashes

Canonical text3fe9917ac853fd483428789d7e9392f007db234adf40e514b2c293c0aae3d9f4
Markdown5ee35b16b2f2df639971cda39118618b6c264045920ee6c070ccbd95e4d50f31
PDF
Publication pagee8caa9f67c65a7a046d7fd65bd49508786ee3a601dad8f190e4b4b201cc0d989
Manifest14e92677da03be9018f3b52626a9c9f76a8d1fdae02096a2aefc194287c3a66b

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
SignatureV4dqrnaV41Rl9vGrg4i8H+0ocGD7fUX3GaWHk7ElVXQuf/6tai6ASYuGrNYioXaxq78CS0wA8NSknaSndFirBQ==
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

2026-09-17T11:46:48.959489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025623
observed e8caa9f67c65a7a046d7fd65bd495087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.934180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025623/manifest.json
observed 14e92677da03be9018f3b52626a9c9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.914238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025623/publication.md
observed 5ee35b16b2f2df639971cda39118618b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.896565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025623/publication.txt
observed 3fe9917ac853fd483428789d7e9392f0...
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.