OpenTechnical

OT-2026-000025304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000025304) never changes.

Identity and time

Publication numberOT-2026-000025304 · never reused
Internal UUID01a0ae71-5fa6-7b19-8028-e93e98fe97e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025304
StatusPUBLIC

Content hashes

Canonical text1f520d9a2337d4d5d952864f94b03bf14ab2086d69aece677dbb4b999ea10ed7
Markdown0ec6c1f07ca7a99ac37a681c3c033de6266031518040a5845fa1775de09eeba3
PDF
Publication page574061b15ad0d54292ecd176fb745bded03c8ba10bc5e46831c9afaa47b446b5
Manifestc5f7e443d1f733c14ec9a4ae86c1efdc496844d8582cd71b6469d021aa30e9de

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
Signaturenq8ejd9OzsN8HmeXPFFOc18B5hwSXM1cFMWcA6OOuVOnkTEugOmBHrdE06BZ7VrkM8LJu2wwX1mRAx0c0KsxDg==
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

2026-09-17T11:47:19.408339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025304
observed 574061b15ad0d54292ecd176fb745bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.390963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025304/manifest.json
observed c5f7e443d1f733c14ec9a4ae86c1efdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.373774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025304/publication.md
observed 0ec6c1f07ca7a99ac37a681c3c033de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.355325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025304/publication.txt
observed 1f520d9a2337d4d5d952864f94b03bf1...
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.