OpenTechnical

OT-2026-000080565

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000080565) never changes.

Identity and time

Publication numberOT-2026-000080565 · never reused
Internal UUID01a0ae96-7e79-7e9c-9330-08f844c8c3fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080565
StatusPUBLIC

Content hashes

Canonical textf008caab7a722c1e6e1c3422f1ea767d357332a7ade8a76a13e6022c50d68657
Markdown635c7f80e62588c966e037d5ccccd51df253c43fddfeb83f21407a3dfb7b666c
PDF
Publication page6e2207a9d27c55fed2d2c4adbbb0feb9f4cd487c5bfe74eb9eba7a0bf9178218
Manifested9f64784d664ef7d1cda3efc7d2285a00161d5e636a8f239fb0a56b216a98e8

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
Signature0Er8E3ui3YJiEk4KM97TZvaZ+ME6cW/dv7+iMqIStE9lbgDP1gDbiPpHKtSW4wma5lIf+xD/ZuYZEMvhYoB/Ag==
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

2026-09-17T10:03:11.816967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080565
observed 6e2207a9d27c55fed2d2c4adbbb0feb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.797924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080565/manifest.json
observed ed9f64784d664ef7d1cda3efc7d2285a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.779799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080565/publication.md
observed 635c7f80e62588c966e037d5ccccd51d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.763034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080565/publication.txt
observed f008caab7a722c1e6e1c3422f1ea767d...
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.