OpenTechnical

OT-2026-000048123

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000048123) never changes.

Identity and time

Publication numberOT-2026-000048123 · never reused
Internal UUID01a0ae7f-c424-72af-adff-ec2c0be1d4aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048123
StatusPUBLIC

Content hashes

Canonical text3a1abe37b284f7755cbdfd20625d0a35e5d580f144e4af2c84f8b5a698a8fe16
Markdown475a5625af372e2f4673c0adc76c70159a5ead63124cc331aca4b7b48a249e62
PDF
Publication page6610f18fdb989f755db1510990afb3b83f02ad92986da40e4c726fdc58ed96a5
Manifestf9cda0fdb63977b628076c111a7a6ce54f86c70e91a0f22305e8f07c3412365d

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
SignaturefwXP8tppvqBZ+On677ZmyFNpaK/f0tOGKvfUqasEw2P4DSB4vxguDUI1OsDlkacP8MaV6zZXcgD0ZktL+SIYBw==
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

2026-09-17T11:06:09.642876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048123
observed 6610f18fdb989f755db1510990afb3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.625625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048123/manifest.json
observed f9cda0fdb63977b628076c111a7a6ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.608898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048123/publication.md
observed 475a5625af372e2f4673c0adc76c7015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.590358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048123/publication.txt
observed 3a1abe37b284f7755cbdfd20625d0a35...
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.