OpenTechnical

OT-2026-000075416

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075416) never changes.

Identity and time

Publication numberOT-2026-000075416 · never reused
Internal UUID01a0ae93-f201-7dcc-a202-60a8add54801 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075416
StatusPUBLIC

Content hashes

Canonical text1c44482d26a1ff7a8f32228fcaa1ee9a19d48fd1133732faabb3724538838b06
Markdown6fd9f867a0bf98a1df26f08467140b5d329e4d1d2873fd34842a769da5fc2fd0
PDF
Publication page65eee8dd89238c702202464a6d0777bab1a7f97ca55f903b93dc5ca1edfd3b0c
Manifest67ee32c2ca6c59cc99e407f17f196cd73ca748477afcfb7ecbade2a2e1e226c4

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
SignatureYSx69qaB0G/XEEH0uVoz6lRB0ZQsbXrn+hcOq4HmPqGrntIn1hT7lz9ytDYrN2YUVaa29wuEiB+latMsLNzBBw==
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

2026-09-17T10:17:33.533425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075416
observed 65eee8dd89238c702202464a6d0777ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:33.515536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075416/manifest.json
observed 67ee32c2ca6c59cc99e407f17f196cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:33.497881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075416/publication.md
observed 6fd9f867a0bf98a1df26f08467140b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:33.477998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075416/publication.txt
observed 1c44482d26a1ff7a8f32228fcaa1ee9a...
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.