OpenTechnical

OT-2026-000012668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off 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-2026-000012668) never changes.

Identity and time

Publication numberOT-2026-000012668 · never reused
Internal UUID01a0ae6d-5562-7272-bc93-34f740ea9580 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012668
StatusPUBLIC

Content hashes

Canonical text815a3e3a52497c9bd3b4df2ff5d108a14632a70ea5b96d31f1dc16eefe64896f
Markdownff659113ecc7572a7ebb83dc5e2ce37c57962be1e11330067a763b21d4c0c893
PDF
Publication page537e11314a9fb16566893a6edf6cd4049a12dcef66368c82b6ad5062e4fa36c6
Manifest1d6205b1fc6cc51a750bcbe13929f992fe419def48ccd1b787302e19d352323d

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
SignaturefE1MXf0VaTee2pL5fmWdxQaJUvGbl89ziGqV/8B2WsXtIdLzFyMoTJqYbl3QrPM1Peur1FmNqkgmNymnUpAxCA==
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

2026-09-17T12:10:18.699092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012668
observed 537e11314a9fb16566893a6edf6cd404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.678325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012668/manifest.json
observed 1d6205b1fc6cc51a750bcbe13929f992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.657711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012668/publication.md
observed ff659113ecc7572a7ebb83dc5e2ce37c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.636942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012668/publication.txt
observed 815a3e3a52497c9bd3b4df2ff5d108a1...
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.