OpenTechnical

OT-2026-000034580

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000034580) never changes.

Identity and time

Publication numberOT-2026-000034580 · never reused
Internal UUID01a0ae76-1ed0-7389-b170-4f4e02c11f2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034580
StatusPUBLIC

Content hashes

Canonical text051e4927f390629ee6b7943cf11ff01aad1ef0b6ed6ffb17e739f21f19a03702
Markdowne1f98b388fffde0a6898703616c48a81ffbc8fce006afd47c7a8cf459369243e
PDF
Publication page1bda7d77603c2a27b8f222ab33ad9b4a7a142d119e151cc6d23adb4e2332e524
Manifest0539d833910be30d66837b4285caea15c22ea54f4eb6ace8ddec66fe678bcb4c

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
Signaturea43046HGLkxr9e+5Tg27nKiSjFl0/j4sW96RRk0UYPukrCWA3MyUSPzYQwYBrV/Q9fG7T4rAZTgthyR6gfp/BA==
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

2026-09-17T11:28:57.030591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034580
observed 1bda7d77603c2a27b8f222ab33ad9b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:57.010221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034580/manifest.json
observed 0539d833910be30d66837b4285caea15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.992627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034580/publication.md
observed e1f98b388fffde0a6898703616c48a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.974167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034580/publication.txt
observed 051e4927f390629ee6b7943cf11ff01a...
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.