OpenTechnical

OT-2026-000045779

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000045779) never changes.

Identity and time

Publication numberOT-2026-000045779 · never reused
Internal UUID01a0ae7d-8f05-754e-9871-14f24f960bc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045779
StatusPUBLIC

Content hashes

Canonical text407e93525884c32e02e8dba30d2b4bd58e6d469b6e5724dc5b45b6920f0aab91
Markdownb09ba25767503702441c40af6c0031c817fd0fb564f2a7030fff9665681498be
PDF
Publication page9d2ae2716bcd32ae06f60ec521ef89df594cd4faff54fb2d10c43a042e499ddd
Manifestd5844a48acb4fa858c74e941925fab706b61f78ce3c9ab3cef61f4753bf67618

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
SignaturetMclxz6jMaDR9aUuMTaCMN4O2R2XFGo1hrfzqLjDP1g8QeywBizvPfxKRF0CKq4Mm9t/oyahUlNb35uv0Y60Dg==
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

2026-09-17T11:09:38.338590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045779
observed 9d2ae2716bcd32ae06f60ec521ef89df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.320802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045779/manifest.json
observed d5844a48acb4fa858c74e941925fab70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.303460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045779/publication.md
observed b09ba25767503702441c40af6c0031c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.283566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045779/publication.txt
observed 407e93525884c32e02e8dba30d2b4bd5...
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.