OpenTechnical

OT-2026-000058165

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented before 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-2026-000058165) never changes.

Identity and time

Publication numberOT-2026-000058165 · never reused
Internal UUID01a0ae88-6edb-706d-a6ce-99992fdb791b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058165
StatusPUBLIC

Content hashes

Canonical text1e8320e3bea79ec5a5705b9221d87acde24cc2f3554ae76c6c68dee05f47c8e1
Markdowneb7314710f1e96836c65ea35dfb82d223b1ae46f71484bd0b225d9116dfa016d
PDF
Publication page45fe48ab0f87d8942ba558302eec886932cf24d1e1b33f4e237450827e3d5a54
Manifest1303675556192bb6c04c602ef16a1f51fab080ced0112b920a5a7d54cde429d2

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
SignaturecqTQDZIASIr70DA1Xu4VBc85mzKCcS1B5ExRiaBa/73LQ0tTbZYkBa7mbBszvUczYdORlgaWApTFeJy8A5f8Dw==
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

2026-09-17T10:47:51.871773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058165
observed 45fe48ab0f87d8942ba558302eec8869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.851407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058165/manifest.json
observed 1303675556192bb6c04c602ef16a1f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.832851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058165/publication.md
observed eb7314710f1e96836c65ea35dfb82d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.812796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058165/publication.txt
observed 1e8320e3bea79ec5a5705b9221d87acd...
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.