OpenTechnical

OT-2026-000011558

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000011558) never changes.

Identity and time

Publication numberOT-2026-000011558 · never reused
Internal UUID01a0ae6c-88ff-7f2e-b3d0-d2728ffb09fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011558
StatusPUBLIC

Content hashes

Canonical texte9c0f6878377a157f1c9ca2824c56693fd27e5853607234d84e77cbcef9b29e1
Markdownd1937a205a12aeee8c8e076a60297ef9e72480aab63ad15cd7cd2071d05ef938
PDF
Publication pageadacaec39574af48e903c18fe90b247e8410250f8f5c6b0e8fb7bf7e453e407c
Manifesta1c6006b4003b8d7ab0e9ae80777020c5a5be5394a930246cb1e01fe36d9e61b

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
SignatureYJ7u3nfvb3WjP/Q+67/d0a++qP+KlEdujiZVYjBWUhkyMe0wg3iqXp2lzY0WYC2meLRXBsOYAAO+8rS75WbhCw==
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

2026-09-17T12:13:01.164651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011558
observed adacaec39574af48e903c18fe90b247e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.146425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011558/manifest.json
observed a1c6006b4003b8d7ab0e9ae80777020c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.128086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011558/publication.md
observed d1937a205a12aeee8c8e076a60297ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.108855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011558/publication.txt
observed e9c0f6878377a157f1c9ca2824c56693...
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.