OpenTechnical

OT-2026-000083438

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000083438) never changes.

Identity and time

Publication numberOT-2026-000083438 · never reused
Internal UUID01a0ae97-c964-706d-af07-5b2e2ce927e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083438
StatusPUBLIC

Content hashes

Canonical text1d8568f26ac1781358a14b9dec010c70a5f5a252a86bb3742583d09721f13256
Markdownc452345fa96e477f3467541ce16573af9fbea596dddae583f9b00d4fa72219c5
PDF
Publication page88884e38604c25dbf6c66c726fd6a44fcc6ec10557b3e600c750fa679bcd2a5a
Manifest5bc6b31393f7660cbccd52e479bfee33b1964d1db8edeb4568156495de8710bb

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
SignaturelAsFvVOs87wkAMLuWYtwTraf14fP61TRId+GPvBFFW8C8XZ1HT10lIMDOkelW1pCmNMpBMqCRQkOf80Ic4SIDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:51.355949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083438
observed 88884e38604c25dbf6c66c726fd6a44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.339541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083438/manifest.json
observed 5bc6b31393f7660cbccd52e479bfee33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.321044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083438/publication.md
observed c452345fa96e477f3467541ce16573af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.304032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083438/publication.txt
observed 1d8568f26ac1781358a14b9dec010c70...
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.