OpenTechnical

OT-2026-000033372

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000033372) never changes.

Identity and time

Publication numberOT-2026-000033372 · never reused
Internal UUID01a0ae75-8980-7cc9-b18e-1ea909e849bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033372
StatusPUBLIC

Content hashes

Canonical text7952516ca9307432f450dc5748a2586ea324db4baa9ef00cb041de2bdec50afb
Markdown6af0763beb88ec6b03ac8c274c9b1457b5fe790a0a6cd20a0a777154e4f50d80
PDF
Publication page9c3a0c1527ef2cb870867c6619990a40866cde96a8f226371b765d00da031aaa
Manifeste97f5510c2375672ba02ffa75741eb2e2c6326d7bb3b75df948b3cf7e89a97b5

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/BYJqjBpyNwacZ7/MmCEvqrrUMx2SGd6vBPtjmBbVzolwtM43GqJFwEA+o9lKOp6jkPDjzlYabNEG4aUpNZ5AA==
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

2026-09-17T11:32:08.505626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033372
observed 9c3a0c1527ef2cb870867c6619990a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.484652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033372/manifest.json
observed e97f5510c2375672ba02ffa75741eb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.467867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033372/publication.md
observed 6af0763beb88ec6b03ac8c274c9b1457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.448336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033372/publication.txt
observed 7952516ca9307432f450dc5748a2586e...
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.