OpenTechnical

OT-2026-000089782

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000089782) never changes.

Identity and time

Publication numberOT-2026-000089782 · never reused
Internal UUID01a0ae9c-1a22-7631-8f1d-30b31443d6c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089782
StatusPUBLIC

Content hashes

Canonical text94a351dc9f377122a0538860c6948567603e7f797d550054f01e400c3c815794
Markdown9f2f92b26a9b5b28861c8918454a5774f1505050e59d86dbddfa93252e95aef5
PDF
Publication page05ac0e7b864c7bdaba194e9c60049444252d6e298869e58b6b463d79dd708e96
Manifestb0143cb93a560911e4d8ac3c5e8c92a556941c4843d5696271f2834dae61e553

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
SignatureK9oV2hGD4qBx0cDXWh7wXdfFaxgrhUHWg4aqsxRp3DiZakNQylfunP2dR31cBuV2e0+8tpZwxqbyFTNz8SDtBg==
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

2026-09-17T09:46:52.340666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089782
observed 05ac0e7b864c7bdaba194e9c60049444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.323016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089782/manifest.json
observed b0143cb93a560911e4d8ac3c5e8c92a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.304726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089782/publication.md
observed 9f2f92b26a9b5b28861c8918454a5774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.287074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089782/publication.txt
observed 94a351dc9f377122a0538860c6948567...
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.