OpenTechnical

OT-2026-000026045

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000026045) never changes.

Identity and time

Publication numberOT-2026-000026045 · never reused
Internal UUID01a0ae71-a840-71b6-bb43-1f3c7f8b6812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026045
StatusPUBLIC

Content hashes

Canonical text4e04c0dab14fad08401fd624c41f2daaf570391fb03f70a06578573718d09f34
Markdown9a80d250b8c894a115053dbd7d09c3f8a5333d079cc3804943f50ab5952c66b7
PDF
Publication pagef31c5bd08e9fc464c1b3e1ffca330e98dd27ead7e935f771428ba4844bf9df6d
Manifest515004576b54fc52872f2e02f4d30274fe47a7c749e1a0e5fe59c0c891cd1f99

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
Signaturegsx/WgPsPRtjkNYw00EfoqH3TQiveWIFboaAUmY0apciJjW/Mr139P40WoaLFm+gU2lxM5qvF5hGTeyi3wyQDw==
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

2026-09-17T11:46:31.747004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026045
observed f31c5bd08e9fc464c1b3e1ffca330e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.727349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026045/manifest.json
observed 515004576b54fc52872f2e02f4d30274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.710532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026045/publication.md
observed 9a80d250b8c894a115053dbd7d09c3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.692187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026045/publication.txt
observed 4e04c0dab14fad08401fd624c41f2daa...
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.