OpenTechnical

OT-2026-000013976

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000013976) never changes.

Identity and time

Publication numberOT-2026-000013976 · never reused
Internal UUID01a0ae6d-8dea-72c4-8d43-1ec91dc44597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013976
StatusPUBLIC

Content hashes

Canonical texte8e8e441ee28a7458d14d368cfeb2770c53bcd1afdabd112ff49995809824e53
Markdown6615d1ce07d69e558bd37d460bc688dcf758296b5778b1aa4d325155ea7bc032
PDF
Publication paged2b071304861a8c8cd511b10f8e6836b7cafbac63c9cf64bc967ed77b577b752
Manifest15702d8030a086d55969f2e6f598ad4496f0cd0a31c961a16a6d8471ccb42fc3

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
SignaturevUCCAgFULgfjB5ON5DpUAyI4tnK7Ai0yau4+9Uh5WU49PE2FJjF9lzv+Y2suo9eE00B1VUU1tURwrPwhP+OKBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:11.289354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013976
observed d2b071304861a8c8cd511b10f8e6836b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.268969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013976/manifest.json
observed 15702d8030a086d55969f2e6f598ad44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.245877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013976/publication.md
observed 6615d1ce07d69e558bd37d460bc688dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.223461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013976/publication.txt
observed e8e8e441ee28a7458d14d368cfeb2770...
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.