OpenTechnical

OT-2026-000047603

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000047603) never changes.

Identity and time

Publication numberOT-2026-000047603 · never reused
Internal UUID01a0ae7f-3e5a-7759-b2bd-f94a25ed8cff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047603
StatusPUBLIC

Content hashes

Canonical text986c2e33943575a9516252c1ddeebdc73e09016692eeafd0409cf00f6d1c8c2d
Markdown878cee0512814a05906e7d54370f99625b84b9fa2851e9a2271b9538c31620a5
PDF
Publication pageb7bcf18f5acd3e0022d3c91de2f10a8f0d714542ae03bf790c1c3629a678fa8b
Manifest239e07b96031ba17fc8e328fa27a07de770c449e9ab3b2bc2549c938d80bf9e8

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
SignaturerRgzn6+RYl01Kfj9rHCb20SFO45ddyPa92VdMWEOWsKjj9tvecJ510tpIp0cp+F+aHZNK5w25/TOxi6jo2j7CQ==
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

2026-09-17T11:06:44.449251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047603
observed b7bcf18f5acd3e0022d3c91de2f10a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.429939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047603/manifest.json
observed 239e07b96031ba17fc8e328fa27a07de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.412431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047603/publication.md
observed 878cee0512814a05906e7d54370f9962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.394544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047603/publication.txt
observed 986c2e33943575a9516252c1ddeebdc7...
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.