OpenTechnical

OT-2026-000076967

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000076967) never changes.

Identity and time

Publication numberOT-2026-000076967 · never reused
Internal UUID01a0ae94-b071-7e2b-90c6-a15320c4620a · 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-2026-000076967
StatusPUBLIC

Content hashes

Canonical textbb318c407a9ae2ff2a93597b571228225199413ef271f1c62e8e9765d7549861
Markdownc3f4b0c45aa9c0bfc669a463097aa43666d302d20789fd0ecbaab47197365247
PDF
Publication page0f4c8ade725ab6a0f5d8e4de6172ac456625d2b60aed1618b8c66d3d9d6bbfd8
Manifest840bbedd1de7f4dc37cfd0a507b6b2ef9a8490e9bd88aa7f42ac3e18785822eb

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
SignaturecE2MnrtMisJGOAfmcQersIzgEctlLw7fpibC74nVYtWvN5kseStMoERKyK+xLjm1C4H4RNxeSYVgBeBCfulICg==
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

2026-09-17T10:10:11.985647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076967
observed 0f4c8ade725ab6a0f5d8e4de6172ac45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.964580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076967/manifest.json
observed 840bbedd1de7f4dc37cfd0a507b6b2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.943764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076967/publication.md
observed c3f4b0c45aa9c0bfc669a463097aa436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.800301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076967/publication.txt
observed bb318c407a9ae2ff2a93597b57122822...
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.