OpenTechnical

OT-2026-000102863

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102863) never changes.

Identity and time

Publication numberOT-2026-000102863 · never reused
Internal UUID01a0aea4-be3c-7952-8f96-62690f0d4b48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102863
StatusPUBLIC

Content hashes

Canonical textd613ca1bbd42b04692953fd4cb9b2b290c4d97d22f693060d14942f87ca1fef9
Markdownb30655aaa66d0b2e2dd04b115ee021034bae93770d3ac3a16ea91cc76206cea9
PDF
Publication pageb3b1f6d6d75b25ff8e69aa3787667617b95ae959e87fed090e8add5d7b23f0f9
Manifest4e2f1833f19be1dd7c887256b346630b25c373c3f3865dabc30d9cf0c4d1183c

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
Signature7PhAIDi6sw39YDH+UjBMkjJ0TwrNeyUDUxutvBosChZJ7iQUh5EHWBvW+FeFNbmH/mU3OS9lKfwfe5uv2j3yBA==
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

2026-09-17T09:22:52.217096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102863
observed b3b1f6d6d75b25ff8e69aa3787667617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.200948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102863/manifest.json
observed 4e2f1833f19be1dd7c887256b346630b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.185617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102863/publication.md
observed b30655aaa66d0b2e2dd04b115ee02103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.169895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102863/publication.txt
observed d613ca1bbd42b04692953fd4cb9b2b29...
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.