OpenTechnical

OT-2026-000049416

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000049416) never changes.

Identity and time

Publication numberOT-2026-000049416 · never reused
Internal UUID01a0ae81-8f7b-78f9-be8f-c65943e9233a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049416
StatusPUBLIC

Content hashes

Canonical text17fa70af18a63816b0c60388b38fcd5745a281dc31f468d8a5a9cb9d05e86068
Markdowndaf91a57474b2736c292a4290bcfd78449de60c8ae358788bbc1c9fcc66ca822
PDF
Publication page75c99092a5fc99a5e1ea831667943143e227b76cdb7d5a5e53656ccefce6b8db
Manifest547828005dee083c4f8dc7ad69f09a850c1da2a3c448b44974ad1344a3306cde

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
Signaturexv1CJE23EbNd1qSMu75kE1uBscjB/O//DYz2yYWZ1+5cPRNw0lJxA9fBMEvnhP67zxoMXn74xKsOpJIukv71Dg==
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

2026-09-17T11:02:14.038482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049416
observed 75c99092a5fc99a5e1ea831667943143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.018769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049416/manifest.json
observed 547828005dee083c4f8dc7ad69f09a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.999613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049416/publication.md
observed daf91a57474b2736c292a4290bcfd784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.977925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049416/publication.txt
observed 17fa70af18a63816b0c60388b38fcd57...
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.