OpenTechnical

OT-2026-000069567

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000069567) never changes.

Identity and time

Publication numberOT-2026-000069567 · never reused
Internal UUID01a0ae90-b52b-789a-90fa-8f9bf23a3a32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069567
StatusPUBLIC

Content hashes

Canonical texte436acc02c0364401acff3484f555ef9b12c8e3c686f3e10381d8efa5574a0a7
Markdown06d80623f499df0cbb8bcdc0cb0b347a6f0db9f82c1e76b24b21db493922f1a4
PDF
Publication page992ca8ba7d1235f2236cdabd83619b09fea0216a4a35c7f97f5039a7e2d25b23
Manifest27bed95bcd62e8e634376753b66b6955c3cd5f9485fc3d2c4e8b8056d384477d

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
SignaturetlN7mt6Q/U4ZMR+jDQTMoYAoYAIHJB1fq07SFpkl79tWaxuEyROSF9FnLYcK3nNBImoi01ZLz1cN7GsH+BzpBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:41.292859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567
observed 992ca8ba7d1235f2236cdabd83619b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.276022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567/manifest.json
observed 27bed95bcd62e8e634376753b66b6955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.257812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567/publication.md
observed 06d80623f499df0cbb8bcdc0cb0b347a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.240068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567/publication.txt
observed e436acc02c0364401acff3484f555ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.338879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567
observed 992ca8ba7d1235f2236cdabd83619b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.322823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567/manifest.json
observed 27bed95bcd62e8e634376753b66b6955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.306628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567/publication.md
observed 06d80623f499df0cbb8bcdc0cb0b347a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.289221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069567/publication.txt
observed e436acc02c0364401acff3484f555ef9...
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.