OpenTechnical

OT-2026-000009001

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000009001) never changes.

Identity and time

Publication numberOT-2026-000009001 · never reused
Internal UUID01a0ae6b-31b8-7e01-882f-08d61896befb · 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-2026-000009001
StatusPUBLIC

Content hashes

Canonical textbc4059f0dcf111e45840184ac5dd3ccf179bd0dbbc8ea9c8e195d73db3459bf1
Markdown6ff7f0b485185acc597c74649adb2c694bec8922ee300e83fb872fd33c6361ef
PDF
Publication page937a85d0f744a1eb01363a59cca01a22bcbcc5a89c8c3ed6c16019ba9680c148
Manifestf9da78ca7f34c7bb1ef504fa062861c1bc9e738cf25789bca687bc5f22772be0

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
SignaturejR8qSzXeAQF3i97UahEuY0N6IryX64f9S/brRM9OXgwPNuwug7YReSmYR8tz4k1/o/1evzhMwz+dgmc89djbDA==
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

2026-09-17T12:17:38.058628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009001
observed 937a85d0f744a1eb01363a59cca01a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.039464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009001/manifest.json
observed f9da78ca7f34c7bb1ef504fa062861c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.018034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009001/publication.md
observed 6ff7f0b485185acc597c74649adb2c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:37.998285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009001/publication.txt
observed bc4059f0dcf111e45840184ac5dd3ccf...
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.