OpenTechnical

OT-2026-000047928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000047928) never changes.

Identity and time

Publication numberOT-2026-000047928 · never reused
Internal UUID01a0ae7f-c422-7109-8de0-a51cbefee61f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047928
StatusPUBLIC

Content hashes

Canonical textab697143a3e99a77b84136e21b0f71ea9d9b506835f7bc52cf05c8cd6a35bc46
Markdown40f65c37e2ae2dae138a8ef00bc651895d2916311c95870a6907086450ab795a
PDF
Publication page47469cf4e8bf918778b400e94b2abc63a8cece253bec5a919ee7a68ed80c42c2
Manifest5d23f125dbe0a40186096d414404248e5ab32d13f824066d664bd99e8bf0009e

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
SignaturekpxAEA3PLCe7LcfO2pjih8f7/5+WWxAjIwU8pPRya/L2PapM+9Utt15Gay04gDwwPElPt/tQVHuA8LmL/wqTBA==
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

2026-09-17T11:05:53.207335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047928
observed 47469cf4e8bf918778b400e94b2abc63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.188803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047928/manifest.json
observed 5d23f125dbe0a40186096d414404248e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.169565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047928/publication.md
observed 40f65c37e2ae2dae138a8ef00bc65189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.149260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047928/publication.txt
observed ab697143a3e99a77b84136e21b0f71ea...
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.