OpenTechnical

OT-2026-000054740

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000054740) never changes.

Identity and time

Publication numberOT-2026-000054740 · never reused
Internal UUID01a0ae86-1284-76ab-8b5b-f59c7c9e442d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054740
StatusPUBLIC

Content hashes

Canonical textbcb236973224bb09df33d1b8de8570a7719b1b2768cbced65c8d59a6a6051c0d
Markdown42becba1ca70bf1f853351b11b87ff1dd64173ae511b5160e251c9ee06a9bbdb
PDF
Publication page1dd3914240054303ffee29e4103de35688f67567045d31d1ad08cc8e6790fbb3
Manifest07374279c6ed30dac905abb91e0724d0467ae95c9be8569e4342524d742cc6a6

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
Signaturewahfhf2s2d+msE9nMi997BiazUbhYwsTm1HUJ69lfqfVNEebm+1crd0blFhUtIS/5tL7dqLRHRHSVCCT3MbbDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:55.510575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054740
observed 1dd3914240054303ffee29e4103de356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.477211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054740/manifest.json
observed 07374279c6ed30dac905abb91e0724d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.459474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054740/publication.md
observed 42becba1ca70bf1f853351b11b87ff1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.427739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054740/publication.txt
observed bcb236973224bb09df33d1b8de8570a7...
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.