OpenTechnical

OT-2026-000075039

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000075039) never changes.

Identity and time

Publication numberOT-2026-000075039 · never reused
Internal UUID01a0ae93-ac2e-78cf-8e72-b08b7a608a7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075039
StatusPUBLIC

Content hashes

Canonical textccb8ff99a919fddf2f260fc8d740e1840f1dfeb3acba93a21f7409dec21f7308
Markdown50c8191a28ab4031851416f4e804dd1ea9ceb78c6a19dc76b60a560af19c274d
PDF
Publication page0c02d570015b04ae1b9eb6e32dd9d3b4fe5e087aa6e09f6d342fa5367211ea29
Manifest197e74a4c009d0432d0c3fc1600fa5435e7b24b2a0f13004a0a863d29b33c033

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
SignaturevnGMDPcCrvpGkNBpk/Sc6Bb4nH4LiIHbT2TCmZUwx7qXDCyAMbK1Uhk8R0lGNOCSdLalofMv0XBV6lSpTeKZCA==
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

2026-09-17T10:18:51.210117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075039
observed 0c02d570015b04ae1b9eb6e32dd9d3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.192853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075039/manifest.json
observed 197e74a4c009d0432d0c3fc1600fa543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.175830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075039/publication.md
observed 50c8191a28ab4031851416f4e804dd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.159906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075039/publication.txt
observed ccb8ff99a919fddf2f260fc8d740e184...
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.