OpenTechnical

OT-2026-000104116

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104116) never changes.

Identity and time

Publication numberOT-2026-000104116 · never reused
Internal UUID01a0aea5-341f-7eb1-b830-befe372d2bd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104116
StatusPUBLIC

Content hashes

Canonical text0a8948a47c9df8ad37985cfc13776233fb52373005a11f6fccde95671e9495ad
Markdownb1aa5ffe87c2b5aded58d8c35c6b645e5347cd0ae3eaf654f5815bade0dfe9d3
PDF
Publication page721aaff5651ec8b0fb26a117aec222ade9904bc972e70d2abd0de25f95f84dea
Manifestacad7bc717c44f5d59c8ca0ba2bfed0863179ed5009234dd6071248027305f26

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
SignatureIOovhTctnccVJai1L60hkMxdFIeVjqUvTP3uT4iucr0tntg0XVZxXu5UDUiShnoyF/WjrAccYGyl75uP3gscAA==
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

2026-09-17T09:20:11.586024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104116
observed 721aaff5651ec8b0fb26a117aec222ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.568846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104116/manifest.json
observed acad7bc717c44f5d59c8ca0ba2bfed08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.552437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104116/publication.md
observed b1aa5ffe87c2b5aded58d8c35c6b645e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.535802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104116/publication.txt
observed 0a8948a47c9df8ad37985cfc13776233...
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.