OpenTechnical

OT-2026-000045059

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000045059) never changes.

Identity and time

Publication numberOT-2026-000045059 · never reused
Internal UUID01a0ae7c-f768-703a-94f3-945ba51c3f77 · 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-2026-000045059
StatusPUBLIC

Content hashes

Canonical text18d66dbe36ec779cae4dfb04472232f26f3e6d307340cfeb0fa5b6596bfec3e6
Markdown2d717394b695f4d238a9ef99953c4ff066414469bb11f1d3f3fe9be8241e13dd
PDF
Publication pagef04c35abf5d9d140607bfa80100d5a5de7664c44902a564d93793dc5e52583f3
Manifeste7ed9a8c853875ad462ce3dba61ab2e7288f23f0adbed6cb4dd94005664e978a

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
SignatureyRfaLAcMoo1mEKqBsDHRmeraxHwrauGs6ZO+rYIxkEGIonkqlZf/2O9jtjQPDcz2gVt6UGsCqMgPYUTjaSh2Dg==
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

2026-09-17T11:10:05.111740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045059
observed f04c35abf5d9d140607bfa80100d5a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.086816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045059/manifest.json
observed e7ed9a8c853875ad462ce3dba61ab2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.067536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045059/publication.md
observed 2d717394b695f4d238a9ef99953c4ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.050534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045059/publication.txt
observed 18d66dbe36ec779cae4dfb04472232f2...
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.