OpenTechnical

OT-2026-000009141

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000009141) never changes.

Identity and time

Publication numberOT-2026-000009141 · never reused
Internal UUID01a0ae6b-31b9-7094-867a-1f3a4bee82d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009141
StatusPUBLIC

Content hashes

Canonical text3a794073ce71a7caeb7f9a1df0a24428e2ccc9405ce9210adf888e3bea20192b
Markdowndb6c772eee6ca513fdde5e4509147978bcf9af1b7eb3b3c1190cfc0494cab1d7
PDF
Publication pageb5ba7ae6b8882eaa0250e1b6e7466c92ef563814a2cb1f4bad11a36c328ba41f
Manifestf417c0f74f7ef14b2882577e3468b881f09091351c0ca44ca3ed242d0d1f5de2

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
SignatureHN6teyfDTqO7LunwkYO1JV6ynOmir8DQo00rXTl+i61opbc7oYfIkOXGRWI4H4l9IurmuY50JEskR9B61I4zCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:50.307740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009141
observed b5ba7ae6b8882eaa0250e1b6e7466c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.289620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009141/manifest.json
observed f417c0f74f7ef14b2882577e3468b881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.268551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009141/publication.md
observed db6c772eee6ca513fdde5e4509147978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.248418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009141/publication.txt
observed 3a794073ce71a7caeb7f9a1df0a24428...
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.