OpenTechnical

OT-2026-000100897

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100897) never changes.

Identity and time

Publication numberOT-2026-000100897 · never reused
Internal UUID01a0aea3-c376-731d-8f5c-3ba40c3626a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100897
StatusPUBLIC

Content hashes

Canonical text93e416ec766922851c7f46dc417cab5534aaf5479f43085848e96aa0fe8ef906
Markdown33657bc7648f5aaf1597984911aab7a17aa563a9eb03173de9c544e81d03c7ee
PDF
Publication page0790c9dffab23a40bec0aecf2fc44aefffaf3b9dff68c3b10b3685c66231ea44
Manifestc219c82dd2f207ffb27c379d76b6e6ab482f2d251b6faa02d4ff1ba9955c8b06

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
Signaturem4wjQXK41j1L61pTT7zDwOOKSmLpE49ontrpNk4HHP9WLdwHNFQm1KNdmPtJ6wxOH65xdlwOitl5YZM24AztDA==
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

2026-09-17T09:26:23.424080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100897
observed 0790c9dffab23a40bec0aecf2fc44aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.404112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100897/manifest.json
observed c219c82dd2f207ffb27c379d76b6e6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.384304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100897/publication.md
observed 33657bc7648f5aaf1597984911aab7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.367198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100897/publication.txt
observed 93e416ec766922851c7f46dc417cab55...
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.