OpenTechnical

OT-2026-000076647

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000076647) never changes.

Identity and time

Publication numberOT-2026-000076647 · never reused
Internal UUID01a0ae94-b06e-7e8f-b848-861ba1eed5f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076647
StatusPUBLIC

Content hashes

Canonical text2e490665fa3951dcefd852a7d9b6e159c441277fc51aa3efe40db266278af129
Markdown29c5b5d436f3b346aa04d14a9928515ccdbb7285ef1f4a226ce76862d8bea93f
PDF
Publication page91c164941ad2700d968402c3fc4c3a6cbb7aad668193600cd51893c73661c917
Manifest3060959697761aac2ea7eca38a2795f4d71f00cc90bee6764a7b6fdab8ea001a

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
SignatureEdMYkL6wVwyRBbjV6R8TPX4rOVOnz8TxF7Yy7QGsNQpk6iRQflF8ZeW4Gxl3KxGs5DC2/nwNL4sbJ7VcIV05BA==
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

2026-09-17T10:09:23.358083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076647
observed 91c164941ad2700d968402c3fc4c3a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.339763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076647/manifest.json
observed 3060959697761aac2ea7eca38a2795f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.320417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076647/publication.md
observed 29c5b5d436f3b346aa04d14a9928515c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.301809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076647/publication.txt
observed 2e490665fa3951dcefd852a7d9b6e159...
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.