OpenTechnical

OT-2026-000070617

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000070617) never changes.

Identity and time

Publication numberOT-2026-000070617 · never reused
Internal UUID01a0ae91-8c2b-7e08-a7c4-3c3c9dbe1a18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070617
StatusPUBLIC

Content hashes

Canonical textcc8b51b8df0484872bf1ea185a5f09c000fdb1bde1af9f04d85629afa85811f7
Markdown2faad3597f0ab808a3fae6f8917a85dd2930bcd5cdcdb916de653563b8851085
PDF
Publication page2f8c3a08c174a3927aa9e36075824a93d19513a212d0b05dccb25d94da08b1a1
Manifest491ff9b40b6b467fa1a8e59f38e0942c4b29296fa361cd408209566f15be06d3

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
SignaturebPT79aNWrq3FWSW8oB4CLDpkhdYQyNE/FcIR9ZNEVBxJF0XL8LvgHDviNoxDP7f218FMbOl44SZvRDCde2tAAw==
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

2026-09-17T10:25:16.850192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070617
observed 2f8c3a08c174a3927aa9e36075824a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.831859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070617/manifest.json
observed 491ff9b40b6b467fa1a8e59f38e0942c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.814030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070617/publication.md
observed 2faad3597f0ab808a3fae6f8917a85dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.794938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070617/publication.txt
observed cc8b51b8df0484872bf1ea185a5f09c0...
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.