OpenTechnical

OT-2026-000023447

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000023447) never changes.

Identity and time

Publication numberOT-2026-000023447 · never reused
Internal UUID01a0ae70-7269-748d-b065-867ff3a882a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023447
StatusPUBLIC

Content hashes

Canonical text8be734c782a3c01fd794e16e74b69eef26f025ee776ef8f85937b7cfed83e4ce
Markdown1c6b25b79a6018eae8dc14fdd5da56000af7d8c373fc2b091c63fd5f18448f63
PDF
Publication page4b5a1028c5491da6f642379fac393c34dffc4e2b8c3312a9116f55c555453dba
Manifestd21d98367a9fa17aec6a3dbad8f88280bcf67f7e744df492a3e5deada53ed92e

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
SignatureJYCYdCMn12zb8UOZyqaLp6dTx8qzfZmOf3BMDvJ9lr3/4vX5iZt09orcWmTkThRaA5XZF8yQlUG76str36IVAg==
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

2026-09-17T11:51:39.835388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023447
observed 4b5a1028c5491da6f642379fac393c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.815800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023447/manifest.json
observed d21d98367a9fa17aec6a3dbad8f88280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.798477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023447/publication.md
observed 1c6b25b79a6018eae8dc14fdd5da5600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.780804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023447/publication.txt
observed 8be734c782a3c01fd794e16e74b69eef...
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.