OpenTechnical

OT-2026-000009490

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000009490) never changes.

Identity and time

Publication numberOT-2026-000009490 · never reused
Internal UUID01a0ae6b-7562-7a86-a828-4ce3649acb45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009490
StatusPUBLIC

Content hashes

Canonical text4e7743abfd6ea7e562bb5ef7e3d85c6a2a578c9ab93a934ff5692e384debb8ff
Markdown2b9520828b19d9cc9f83c7689929f39acb7aab8a351f4677a99006a88c193bf1
PDF
Publication pagec78201f8db66391480b173699747978db0fb4b9627fc485ebbbc41acccb2958d
Manifest8e9cc8269caf035e72220d2051aac6eb5e973e0c9a09773bcc6a1fa76cdfe4ab

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
SignatureoBApcM+CljOpw3c2TNhhXQRNkpl+9dP4jSRgHS8RXyR0p1WOy9Q4+ARaamqkOQ8uoySUab0zLS+Ce+4Q8DsOAg==
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

2026-09-17T12:16:53.548441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009490
observed c78201f8db66391480b173699747978d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.527874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009490/manifest.json
observed 8e9cc8269caf035e72220d2051aac6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.508575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009490/publication.md
observed 2b9520828b19d9cc9f83c7689929f39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.489150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009490/publication.txt
observed 4e7743abfd6ea7e562bb5ef7e3d85c6a...
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.