OpenTechnical

OT-2026-000100141

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000100141) never changes.

Identity and time

Publication numberOT-2026-000100141 · never reused
Internal UUID01a0aea3-3052-71b9-8291-3fa578568275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100141
StatusPUBLIC

Content hashes

Canonical text375c1ad177bce562b83ca1daf12354aa1739b7edfc65cf8bbab2c4185aaf9da2
Markdowneaca4a2c35902f946549b29536888fe5c8826857c130ebf7480b1d81c8b2b4a5
PDF
Publication pagec8eeafae09f403f1b4d07b8a0ad0908af4a2a4ceac0eea0d20b223813e1017cc
Manifest8b042d0f88924d1b7c10703f9de36588cdc802e4d0abd398b548814809022192

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
SignatureCLbpNvajP8Z40C2MjtqvHy8HFl/CZiCXTjeJ7DH4zrCXl1PTAGOXl4K8rpO7VMj0BNFzcVsB2G84b+1Feu2pBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:50.659043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100141
observed c8eeafae09f403f1b4d07b8a0ad0908a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.637967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100141/manifest.json
observed 8b042d0f88924d1b7c10703f9de36588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.618583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100141/publication.md
observed eaca4a2c35902f946549b29536888fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.598344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100141/publication.txt
observed 375c1ad177bce562b83ca1daf12354aa...
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.