OpenTechnical

OT-2026-000044256

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000044256) never changes.

Identity and time

Publication numberOT-2026-000044256 · never reused
Internal UUID01a0ae7c-39d5-7059-99ec-22cc3eabecd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044256
StatusPUBLIC

Content hashes

Canonical textc3dab007ad3389b40aecb6cb0bfc00cd8b58a7ba5927b54c556a4e45712a3fb6
Markdown7a4079fe016b495146ec09eabef10bce424112df625709a1b9a26684be433998
PDF
Publication page224608362cafae680b36dc1cfc4dc366f7e8457938f5acefec793cfbb616c6ec
Manifestb4fc03cb15d6eef08e9700be3c18cb65ef6a4fa66335572038df6253618b93bd

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
SignatureS9Gt+FetP/Rt/DLrfai1VtUnPAjHc1aua47ubtPiphiKIA9OGi3LYhlxgSuGwaoxcBzJ2bBEHL5OM9KNIvvyBA==
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

2026-09-17T08:30:07.566334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044256
observed 224608362cafae680b36dc1cfc4dc366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:07.548263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044256/manifest.json
observed b4fc03cb15d6eef08e9700be3c18cb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:07.530397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044256/publication.md
observed 7a4079fe016b495146ec09eabef10bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:07.507962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044256/publication.txt
observed c3dab007ad3389b40aecb6cb0bfc00cd...
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.