OpenTechnical

OT-2026-000048548

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048548) never changes.

Identity and time

Publication numberOT-2026-000048548 · never reused
Internal UUID01a0ae80-4de7-7199-8920-c66c40e14878 · 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-2026-000048548
StatusPUBLIC

Content hashes

Canonical textfd760917bf9dc3be8130827e4d2f9257c36b33b829d6850e4dfbbb47e555a67f
Markdown92cc7bcdad14d94a3ca79191e74b9baa9fdc7c645c1057173f0fab877dbec754
PDF
Publication pagea4fae0b032b2f47f8b6210a37906e4457f4626da45bc79fc6ff8b42de82b5058
Manifest4aa7d2a0feb5841def65c8c384f007a53f7fdbda97830f3114a82fa66011fbde

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
SignatureIZUk7LTM/zAdRvqKWMuAIpne6Y5QwgctAmonXxnZe5hpmg2ti2pjYHiann6mf++NZOTqxTiBHn8YxR7NFCyiAg==
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

2026-09-17T11:05:20.514142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048548
observed a4fae0b032b2f47f8b6210a37906e445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.494747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048548/manifest.json
observed 4aa7d2a0feb5841def65c8c384f007a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.478109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048548/publication.md
observed 92cc7bcdad14d94a3ca79191e74b9baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.460113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048548/publication.txt
observed fd760917bf9dc3be8130827e4d2f9257...
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.