OpenTechnical

OT-2026-000073909

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000073909) never changes.

Identity and time

Publication numberOT-2026-000073909 · never reused
Internal UUID01a0ae93-2b8e-72e8-932e-a3fc3af0c1da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073909
StatusPUBLIC

Content hashes

Canonical text4bd3b0519511e3542abf8eb6d27f9bda3bfd81bdf431f02493a28e38d27f75c8
Markdownc1392426527c88cabe025aa0c685c1835f32ee51c331b1e0f2653c92edbf650e
PDF
Publication page01700958326d91d9c1e7314ade80738f04b12ff75592f0f8f4173582f664cf8d
Manifestda05f24aad1f0b86c7a4f760c66a366cc414f1f0dcb62151577fe463db7bb743

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
SignaturegVzoY929m5Du97hqooS4c/plxaSYuGu18mwE5TlS5/lhnns/e3LWPodrgLbgky1SJHJ1ttjbJ8fFbQoU6L9oCw==
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

2026-09-17T10:20:04.158136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073909
observed 01700958326d91d9c1e7314ade80738f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.137954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073909/manifest.json
observed da05f24aad1f0b86c7a4f760c66a366c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.118060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073909/publication.md
observed c1392426527c88cabe025aa0c685c183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.101401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073909/publication.txt
observed 4bd3b0519511e3542abf8eb6d27f9bda...
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.