OpenTechnical

OT-2026-000103608

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off 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-2026-000103608) never changes.

Identity and time

Publication numberOT-2026-000103608 · never reused
Internal UUID01a0aea4-e461-78ec-8265-3096887f6c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103608
StatusPUBLIC

Content hashes

Canonical textb1885e3046efa9f9a12d7dcb7847b3d5c08ccb32eaaee635bc643aff7007a065
Markdownfd300e47882b3849afccb790edf0050315181f30aa1af2e559c11252587c089d
PDF
Publication page35036178d02f1b8f6b46b79931c09f4be2cc76c6b4013ef28923e2de75574786
Manifest5f005b885e35841194cfd205bacefd0b41a5572f78fe6eca45a13ef5287ad4f3

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
Signatures34/MfIiFVPp2hM8SJ/5trEy0sztYuTlNz0pA9uCkbQFobXZWvBDxPftn1bT7to6mKCT3IFORXZokQfRctFhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:23.921699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103608
observed 35036178d02f1b8f6b46b79931c09f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.904459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103608/manifest.json
observed 5f005b885e35841194cfd205bacefd0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.887836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103608/publication.md
observed fd300e47882b3849afccb790edf00503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.870793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103608/publication.txt
observed b1885e3046efa9f9a12d7dcb7847b3d5...
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.