OpenTechnical

OT-2026-000045107

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000045107) never changes.

Identity and time

Publication numberOT-2026-000045107 · never reused
Internal UUID01a0ae7c-f768-73f8-a822-9c21118fe00d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045107
StatusPUBLIC

Content hashes

Canonical textcfc43f742efeb783d18302d6b91f639514cd779103bc28711c4543c4ed71da3a
Markdownd429d7fadb1dcab415d16063f5a5b52613b140d9a2928119c69c49628c23441a
PDF
Publication page7ef1628beff3491a8f503af2ec2c772a69faf90c14169d7beaf4221bd011287e
Manifest06338d9d39cd0391aa7d8e38a67a97f1f54c6f03de59aef0f4ac894f32ecb7ab

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
Signature+cPkKSh+3f0eXyBR49geNPDY1MLNAzHayfqACKGxHExPvTjv+bOBBV+o/jPsjwCRXn5jq/J7s42jYLHWoTAbBA==
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

2026-09-17T11:10:14.784765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045107
observed 7ef1628beff3491a8f503af2ec2c772a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:14.764230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045107/manifest.json
observed 06338d9d39cd0391aa7d8e38a67a97f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:14.744206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045107/publication.md
observed d429d7fadb1dcab415d16063f5a5b526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:14.725604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045107/publication.txt
observed cfc43f742efeb783d18302d6b91f6395...
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.