OpenTechnical

OT-2026-000102623

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000102623) never changes.

Identity and time

Publication numberOT-2026-000102623 · never reused
Internal UUID01a0aea4-858b-7b73-93ae-fc8779082696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102623
StatusPUBLIC

Content hashes

Canonical text8cb024b7e8e6230e1671de2921e09d54ee8c41fcc9db3a252df98f90089d3e04
Markdown5b1450715ced52af862189e1d7104f48158dc5264e248fd6efc45d24bb036ff8
PDF
Publication page9ca023299eacd52dc423b275b18ec9c4b1dc88066278ea5b7c69438fa8652fa2
Manifest43b3a46cfc9b7e337ba8d7475d9fdf719603d54a560abba0ba54a9d960aab120

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
Signaturez5q/ZReFRw24LGdwOFkG/sn+pTLoK2143Keme615SFAxjPTvYVbia8NVPHco7O6HQ1pryAw5vwWDpjPFC7dXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:06.926219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102623
observed 9ca023299eacd52dc423b275b18ec9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.907735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102623/manifest.json
observed 43b3a46cfc9b7e337ba8d7475d9fdf71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.891115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102623/publication.md
observed 5b1450715ced52af862189e1d7104f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.870650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102623/publication.txt
observed 8cb024b7e8e6230e1671de2921e09d54...
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.