OpenTechnical

OT-2026-000012864

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000012864) never changes.

Identity and time

Publication numberOT-2026-000012864 · never reused
Internal UUID01a0ae6d-5563-7ad9-a373-cd7da42fe704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012864
StatusPUBLIC

Content hashes

Canonical text859d1e9ac904cdc2182484f92c5408296bc51b39cf5ff523b96237d8d88a40d8
Markdowndfeff70e70bfda0aa6ff1ae12d681936cab3dc493d22b45a3ae9606abc8c361a
PDF
Publication page49abe19a9c9eeae5c715257883c11769e961352b58d22440c60c5aee5d99c388
Manifest274e05e9db41fcbc6bf5343754e3a98d369c667cb5d8d31e13f67daf82d57b34

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
Signature6VFFp4tGi15bQaDJtCFJCfFcYM2dL4a2dMM8e9mWh7IpijZ6935FVsCF0pkK2V6iyeFtL6FV+BCfoWVGZ5xlCA==
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

2026-09-17T12:10:38.765362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012864
observed 49abe19a9c9eeae5c715257883c11769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.747130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012864/manifest.json
observed 274e05e9db41fcbc6bf5343754e3a98d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.729503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012864/publication.md
observed dfeff70e70bfda0aa6ff1ae12d681936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.710376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012864/publication.txt
observed 859d1e9ac904cdc2182484f92c540829...
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.