OpenTechnical

OT-2026-000057342

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented before 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-2026-000057342) never changes.

Identity and time

Publication numberOT-2026-000057342 · never reused
Internal UUID01a0ae87-d5bc-7705-8a30-911d331ffbfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057342
StatusPUBLIC

Content hashes

Canonical texte7213e898f860869811c639bc812cb8b4060ded91d018c285d155b277f2d60da
Markdownafbd17928fc33f568e4f209a1eff028464888ffb016837f3db8728ba2854a991
PDF
Publication pagea8bbad37151138f8e0bc61d549d47af052c542117b6922dde74692007b7d3835
Manifestdf21413e35560f89d6080213ce57a77afff5e88b82fd78d80c23b45b6ac97e03

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
SignaturefZnk8wiHbfn5Y2D1t7U5UvGQDvhk3j5ZUhVsJ1Jb0T12gIA5keAVEE7JnYrK7E2shXupjyOBEacGhxG8fmaaCg==
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

2026-09-17T10:50:27.866532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342
observed a8bbad37151138f8e0bc61d549d47af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.850248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342/manifest.json
observed df21413e35560f89d6080213ce57a77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.830174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342/publication.md
observed afbd17928fc33f568e4f209a1eff0284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.809918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342/publication.txt
observed e7213e898f860869811c639bc812cb8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.065869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342
observed a8bbad37151138f8e0bc61d549d47af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.047971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342/manifest.json
observed df21413e35560f89d6080213ce57a77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.030348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342/publication.md
observed afbd17928fc33f568e4f209a1eff0284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.012670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057342/publication.txt
observed e7213e898f860869811c639bc812cb8b...
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.