OpenTechnical

OT-2026-000079575

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000079575) never changes.

Identity and time

Publication numberOT-2026-000079575 · never reused
Internal UUID01a0ae96-0b92-781c-9b10-b930f7d24d8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079575
StatusPUBLIC

Content hashes

Canonical text2675074d407b3fb8adef5b1c158dd889479074061361c586b468d485d7f112f0
Markdown4959353d82c0533b0d45cd687ef884d2bdd2fecb838beb9af2064acc30c3926b
PDF
Publication page9a2d5b2e5a22b17313e8649531d655ee77c1f4f0402dce32841e722b0a836afe
Manifest251bc375a9731f6e282a54e74a6cfc481b1c1d2cff39731251fb1b20ee56aeae

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
SignatureCoe6L8Q0QcB8R4Tjohk2iDunI7bhQVTKEYy09WRBaUm6eS+YBJRlmyeFXraj7jwCEnchldbr5fQMiWnu2cMKCQ==
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

2026-09-17T10:05:13.638013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079575
observed 9a2d5b2e5a22b17313e8649531d655ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.617508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079575/manifest.json
observed 251bc375a9731f6e282a54e74a6cfc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.597863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079575/publication.md
observed 4959353d82c0533b0d45cd687ef884d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.578139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079575/publication.txt
observed 2675074d407b3fb8adef5b1c158dd889...
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.