OpenTechnical

OT-2026-000076899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000076899) never changes.

Identity and time

Publication numberOT-2026-000076899 · never reused
Internal UUID01a0ae94-b070-7ec7-a282-2312a2457991 · 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-2026-000076899
StatusPUBLIC

Content hashes

Canonical textb8e8e191edaf0c21083cf9b5af43ef3fdbe00572820ad70514a52a58e9b3864c
Markdownd2a53cf0853e4a6e73f9cc8c53beb0b7532accfd41af803a34566e1690ae3246
PDF
Publication pageba9327c18e967351a7b0ba47e2b96833568508508aa83b8d560c4ff2be09c76c
Manifest2bac906f90dad687d13d66f0d46dbc1d382d47d72e6862db366c75c39118ed67

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
SignaturevbKUrKiPT5GMcQHFLw8CInqs2zkvl4LHLdlK1bANT+svOWxkTA6eXMq/hhbZT0J/pEBFpuw3hiUur7oipZQIBg==
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

2026-09-17T10:09:48.473491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076899
observed ba9327c18e967351a7b0ba47e2b96833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.454774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076899/manifest.json
observed 2bac906f90dad687d13d66f0d46dbc1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.435091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076899/publication.md
observed d2a53cf0853e4a6e73f9cc8c53beb0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.380507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076899/publication.txt
observed b8e8e191edaf0c21083cf9b5af43ef3f...
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.