OpenTechnical

OT-2026-000048819

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000048819) never changes.

Identity and time

Publication numberOT-2026-000048819 · never reused
Internal UUID01a0ae80-c32d-7c07-acea-3e7fbff81693 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048819
StatusPUBLIC

Content hashes

Canonical text5e88a718b985da6ba545ebdb1a5df0dd4f94fd380f5589fba36a1f5e580b563a
Markdown463b82f5274bd994475aec42a9823a5abbedb2da92ef19ee85391a9ba47e2f05
PDF
Publication page20bc629912b747c1aa419d50710f7a1757dadb08588221b2c22f13ec2c6f9d85
Manifest335861c1bbe2fc2960ca28f20a011e735215d9bba10d182dcc4eb3a8a5c40b7a

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
SignatureKhE2PRB0hvMHR3v8Cb7ysBTYL7HjzcRcI8RjoNGz9upjYdxVT9TPg4qKBbRVXU1TBJn4ixdSM0bK/+2kMr6oAQ==
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

2026-09-17T11:04:32.954583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048819
observed 20bc629912b747c1aa419d50710f7a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.924535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048819/manifest.json
observed 335861c1bbe2fc2960ca28f20a011e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.888088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048819/publication.md
observed 463b82f5274bd994475aec42a9823a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.852197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048819/publication.txt
observed 5e88a718b985da6ba545ebdb1a5df0dd...
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.