OpenTechnical

OT-2026-000008421

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000008421) never changes.

Identity and time

Publication numberOT-2026-000008421 · never reused
Internal UUID01a0ae6a-e46a-7c79-80ef-92adcade9d25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008421
StatusPUBLIC

Content hashes

Canonical text91164f08d76d21d78eaf265a53af17e9f165bfccc9c4b4733d72aa37c49f269b
Markdown55753cb0e1f9f00c01c064b3f2c5338151dcdbeb269596f87957c4bf4eacffbb
PDF
Publication page541587652b1c7feca8055ee0f9244a0a5cae7b5688512f7fd9b99e19d59ec72c
Manifestc075623418853118b30c4affee7d1c7b639cc0642ba45e29d76054aea6ebf1eb

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
SignatureGBLN+tJPV0wsurv7QTCKC57iLxjblX6lBm0RQ+eJMH4aOEUH8Sr8gxS/7pgFHFf9v80xyFR8lD9p7g3agEy6Bw==
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

2026-09-17T12:18:16.299796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008421
observed 541587652b1c7feca8055ee0f9244a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.281361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008421/manifest.json
observed c075623418853118b30c4affee7d1c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.260422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008421/publication.md
observed 55753cb0e1f9f00c01c064b3f2c53381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.242250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008421/publication.txt
observed 91164f08d76d21d78eaf265a53af17e9...
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.