OpenTechnical

OT-2026-000061291

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000061291) never changes.

Identity and time

Publication numberOT-2026-000061291 · never reused
Internal UUID01a0ae8b-1384-76d8-b09c-2f511ddba9da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061291
StatusPUBLIC

Content hashes

Canonical text8a0c06c323250aba9ab3bea456e7bb6646a81d6b1fae7dd981d53df877cf46a4
Markdown410e7b7d65fc565135d4916df59fff67ebb0731fd8040028d3358f82cdbb03b7
PDF
Publication page2f42cc607622a38fb477423d9c1e50dd28db67ebbaeb74f92fb9746ebe1312cf
Manifestd7b1721a83eb141c961ddc507f03b1d7900f8a9eff8b8d49ff044fff34d6e58e

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
SignaturefZPsgfQhRHa+58xCam7J9cJtipGgfyR4RGtj0yES2mmMJjoNrd4KcQHaRMlGXPu6qzQogtc8VPkhBCQbEJ3iAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:43.002571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061291
observed 2f42cc607622a38fb477423d9c1e50dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.984299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061291/manifest.json
observed d7b1721a83eb141c961ddc507f03b1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.965562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061291/publication.md
observed 410e7b7d65fc565135d4916df59fff67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.947654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061291/publication.txt
observed 8a0c06c323250aba9ab3bea456e7bb66...
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.