OpenTechnical

OT-2026-000070749

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000070749) never changes.

Identity and time

Publication numberOT-2026-000070749 · never reused
Internal UUID01a0ae91-8c2c-704a-ab6e-161d7e1edfb7 · 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-2026-000070749
StatusPUBLIC

Content hashes

Canonical text380d07b4c18f8d3e71c194db524a84632f733a2490e18959a450e741faa21cd3
Markdownea98b67405630e88e8be3782fae7c4efc7747c7817a326d67a14523f9ada3586
PDF
Publication page5a1f608a76ae3b10dc5dbcf39dea87d198f0549ae0087b922a5aacd971715820
Manifest2ced81d8661b82582f111398fa31ac2a6a673164709c83a9f9d15b83e62ddde7

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
SignatureJWe6CfDQ26BJDreIRdzgDtT+otPkd0Tp4TmYujFcfnbdvJTHkrXRAOztlQPtSNbUIRwSaHQQu1dXYqoo/WXyBw==
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

2026-09-17T10:25:26.761278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070749
observed 5a1f608a76ae3b10dc5dbcf39dea87d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.738808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070749/manifest.json
observed 2ced81d8661b82582f111398fa31ac2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.719740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070749/publication.md
observed ea98b67405630e88e8be3782fae7c4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.676734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070749/publication.txt
observed 380d07b4c18f8d3e71c194db524a8463...
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.