OpenTechnical

OT-2026-000060600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000060600) never changes.

Identity and time

Publication numberOT-2026-000060600 · never reused
Internal UUID01a0ae8a-b7cd-7442-8e5e-a0cde9a978ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060600
StatusPUBLIC

Content hashes

Canonical text54d10786fba8b74aab05e3c5c4cadde17dd1314ababc3b367109b65faca3dff3
Markdown3912ee7d8420660938b109123502b199bca71ac453fe47ca029bade2bf4de932
PDF
Publication page0864947a42ede6b45dfcc3416640d001f4f339c98d58dfe2b6a1d2b9bda24ace
Manifestab8ff89df9997ff5af6269124fddcb360c651b288b78de60b770c19a1be42043

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
Signaturerg7N68y6EDSeeXLeSS+vVaaylIECRClFU4pJERE601H08x3WhnKg8Xpdj8s8JnfhOrGrXvtawe8U1ASTmroqDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:13.376990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060600
observed 0864947a42ede6b45dfcc3416640d001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:13.359115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060600/manifest.json
observed ab8ff89df9997ff5af6269124fddcb36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:13.342271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060600/publication.md
observed 3912ee7d8420660938b109123502b199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:13.322817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060600/publication.txt
observed 54d10786fba8b74aab05e3c5c4cadde1...
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.