OpenTechnical

OT-2026-000070407

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000070407) never changes.

Identity and time

Publication numberOT-2026-000070407 · never reused
Internal UUID01a0ae91-545f-74ae-8e3e-10237b3b7e14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070407
StatusPUBLIC

Content hashes

Canonical text07b7027ec19afd823cb87d2a812737d3966bd7a168d8efeb9fd1e507c4387ec0
Markdown5dbbec52f1f2231a1430ddaacc9be64557b4d3c97a76aa66e252ac6aa480ac32
PDF
Publication pagea2ae8af2ffadbe8e1a2ce44bceb413327f3ae2e39e5736fdac5ea127f0fa5f58
Manifestefcefd994e0a0da290f4f9ee882c369c99516d183e8bd33c0725df30417481ce

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
SignaturemKO2Eerz66KR6sEz9VimAmD7K7xXc/RS9jPTYcWrcYy5HB4ZN93wq99AHq26FMbC5VLeGbkcmJgMCvhSInY7DA==
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

2026-09-17T10:26:12.963068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070407
observed a2ae8af2ffadbe8e1a2ce44bceb41332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.946338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070407/manifest.json
observed efcefd994e0a0da290f4f9ee882c369c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.927502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070407/publication.md
observed 5dbbec52f1f2231a1430ddaacc9be645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.907165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070407/publication.txt
observed 07b7027ec19afd823cb87d2a812737d3...
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.