OpenTechnical

OT-2026-000048352

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048352) never changes.

Identity and time

Publication numberOT-2026-000048352 · never reused
Internal UUID01a0ae80-4de4-7a4f-8918-0ce511402245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048352
StatusPUBLIC

Content hashes

Canonical textf121aadaebd01246a68398472b67eb5515c4b559fc0f9db9d63aaf37e5e11448
Markdown1ee0466ec2692c742c84872f1cd636c8eb024282294680d31e53588b4c0f7b45
PDF
Publication pageb8299098f5eb62c5faeda319675fcbf24fd18372649fcbd304b1c528a1e8c39d
Manifestb0aa8d39521c6eeda3f354319aad38cdfdf8ae1b9e3d6464fd3c270be76e1661

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
SignatureN2bLwjd6dFsIBOyEUECrqf500DhrQFw9qMDVVppVGxTxJYnC8/3+mnN65p0ViW0XXL0gH4r8TYk0LrigVf2KBw==
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

2026-09-17T11:04:58.040270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048352
observed b8299098f5eb62c5faeda319675fcbf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.019406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048352/manifest.json
observed b0aa8d39521c6eeda3f354319aad38cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.996859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048352/publication.md
observed 1ee0466ec2692c742c84872f1cd636c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.979566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048352/publication.txt
observed f121aadaebd01246a68398472b67eb55...
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.