OpenTechnical

OT-2026-000057195

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000057195) never changes.

Identity and time

Publication numberOT-2026-000057195 · never reused
Internal UUID01a0ae87-d5ba-7eb0-becf-55b150611358 · 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-2026-000057195
StatusPUBLIC

Content hashes

Canonical text4e5b166caf51bf830c8e948145489fd6315b1a39ece68dbd3f622969a449f676
Markdown158dac80b5508bd26fc893ca1486e1b36779f819626492ba87936ae154058442
PDF
Publication page004bc97a8235dd2088275505e87aef3b9900d056418fd266174420d4d9ab49a2
Manifest46ab781efcc12cecfd90962780195e49e5b2709cf5e77bf0de88670107bd6201

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
SignatureNso4W7Vrjko/LJMu5iEOXKveK3zCT8L30Vjp7U4cPpZvMTtwugq9AqzjEI/IfVAeX+r5uD/k1kLdCIBLiOtnAg==
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

2026-09-17T10:50:14.385646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195
observed 004bc97a8235dd2088275505e87aef3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.367926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195/manifest.json
observed 46ab781efcc12cecfd90962780195e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.348719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195/publication.md
observed 158dac80b5508bd26fc893ca1486e1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.329599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195/publication.txt
observed 4e5b166caf51bf830c8e948145489fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.267449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195
observed 004bc97a8235dd2088275505e87aef3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.252387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195/manifest.json
observed 46ab781efcc12cecfd90962780195e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.236042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195/publication.md
observed 158dac80b5508bd26fc893ca1486e1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.218582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057195/publication.txt
observed 4e5b166caf51bf830c8e948145489fd6...
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.