OpenTechnical

OT-2026-000023003

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000023003) never changes.

Identity and time

Publication numberOT-2026-000023003 · never reused
Internal UUID01a0ae70-46ec-749f-8fca-7b0f11217d6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023003
StatusPUBLIC

Content hashes

Canonical textb7e703064a87314b9318dee48a2154d7ad8e812ed8134f1d64437e4f14e08513
Markdownc5689912de5154afa362b5d61142e3e4838e71ec4b7e75b8c6e931a8e93d245e
PDF
Publication page8f88c1a89cfbd5abd9b4db7a4820f98c75dcd1a91956f8a35b927a8ae0834900
Manifestd9f8b0e35ea2fd3c7932ee5488dab3aaf9df5b69c96301ba01cb31c57caf5b7e

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
SignatureZHN8hAEHSSerUF8qph0vdz3lOIvw6RTardZ6cI34EZavehuq0cM+iI1fsFmguAQSQgO5zlyAzctRe2/P6nv4BQ==
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

2026-09-17T11:52:35.856899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023003
observed 8f88c1a89cfbd5abd9b4db7a4820f98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.838979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023003/manifest.json
observed d9f8b0e35ea2fd3c7932ee5488dab3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.819174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023003/publication.md
observed c5689912de5154afa362b5d61142e3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.800806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023003/publication.txt
observed b7e703064a87314b9318dee48a2154d7...
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.