OpenTechnical

OT-2026-000088392

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000088392) never changes.

Identity and time

Publication numberOT-2026-000088392 · never reused
Internal UUID01a0ae9b-5d27-7d22-9996-43b3bf410097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088392
StatusPUBLIC

Content hashes

Canonical textd169c67a5cf1a0e167554031cb6572825bcf99cc23d3792bfe183fe74b37dfad
Markdown25dc0b3aba08dfa27afb587ff97c4a92cd9a273f51ea549ab5f48b9cd482086f
PDF
Publication page2cf7b1240211a3f77dd934fabf1013e86243c837dff049bd86b9e25c675b357d
Manifest293ea7746b1c473feca95d348b194a29307b64f2be5d39069757c63925bbfdb8

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
SignatureivRgdq8nDUZbrg8m55y+Jh3kqs7uwbQqW2YowpM+LrzCNrEvlofRvbaep4yGKfxHrGYuWT/HOnSChan5xqopBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:45.087144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088392
observed 2cf7b1240211a3f77dd934fabf1013e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.069388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088392/manifest.json
observed 293ea7746b1c473feca95d348b194a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.051182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088392/publication.md
observed 25dc0b3aba08dfa27afb587ff97c4a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.032181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088392/publication.txt
observed d169c67a5cf1a0e167554031cb657282...
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.