OpenTechnical

OT-2026-000047916

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000047916) never changes.

Identity and time

Publication numberOT-2026-000047916 · never reused
Internal UUID01a0ae7f-c421-75d0-ba8a-c5654b55e76a · 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-2026-000047916
StatusPUBLIC

Content hashes

Canonical textc6af1062f830e47cf5d6eda51a1c6b200f6a86551bcf7b482286d8916e389d5a
Markdown8a0dc40347a80db0e6844cebf4ef6c439a8c2fa82985d8fdf88fca30df047787
PDF
Publication page905c23a104f4fa9d997b222cf3bef76d5c1b6dbe377ba7a400b4831257b0929a
Manifest13a0c98964e76a4f4550da47602a3b2e267c03277e58a088392b1a9457ad5974

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
Signatureiheu4QujBldotHRxNUNtRDxvGh9Qwxlmv+ZiUb1X95oqY1SM/jYM0c2oz2DLhl+AcMswA4Hx2Sxm9OZETVT3Dw==
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

2026-09-17T11:05:51.635643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047916
observed 905c23a104f4fa9d997b222cf3bef76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.616047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047916/manifest.json
observed 13a0c98964e76a4f4550da47602a3b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.595449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047916/publication.md
observed 8a0dc40347a80db0e6844cebf4ef6c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.577762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047916/publication.txt
observed c6af1062f830e47cf5d6eda51a1c6b20...
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.