OpenTechnical

OT-2026-000067937

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000067937) never changes.

Identity and time

Publication numberOT-2026-000067937 · never reused
Internal UUID01a0ae8f-c4fd-7810-8d0b-c941d5e6d600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067937
StatusPUBLIC

Content hashes

Canonical text6b1231c097df1c888caf208cd0bf28cd768b2eca2493c58bfe47aebb9bbcc2b5
Markdownc302a6227952d81fad69b6ac6c435d9111f5a5e1ff99990f9dc94da38c744a51
PDF
Publication pageaff1fa11ab4cfae51263c97132cccee56e1539c97667e56af2da75c7c0a73107
Manifest95d67d5b51583926c36f0b3097a5af18561893d4a1220a3324a6abb9f0aa1e64

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
SignatureiheFvET6h3wzV6G6Jw2He5sIByRFM4aYidh61R9uNWTCjivbQslt/+j+bXJckQ+7sotBTHKZx2NN8tM4Xk+mCw==
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

2026-09-17T10:30:21.071617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067937
observed aff1fa11ab4cfae51263c97132cccee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.055326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067937/manifest.json
observed 95d67d5b51583926c36f0b3097a5af18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.039209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067937/publication.md
observed c302a6227952d81fad69b6ac6c435d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.021942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067937/publication.txt
observed 6b1231c097df1c888caf208cd0bf28cd...
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.