OpenTechnical

OT-2026-000029295

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000029295) never changes.

Identity and time

Publication numberOT-2026-000029295 · never reused
Internal UUID01a0ae73-2aa1-799d-a2f4-b939c246abb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029295
StatusPUBLIC

Content hashes

Canonical texte83c2e80f3510c550ca722659304de713cf9078d894795f3cb84e523b8a54eda
Markdown6c4126aa76221da2f8f0bb50dd88e9977fae72c3cb78f9fdf24c7f698c07ea5a
PDF
Publication page22f731ebcf01018a2fa707b336c7366af09cc94f0124ea93a3f13e66f287446c
Manifest0d1546f9fc225a8eff2eb038251946deeffff7a149eb4fa46eb523f56d85e811

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
SignaturePrLQpreEgmmkAJbGnK3hmyjBYeAbiEIQ9eMaEpEFY3893QMxux0O/s2qVeaRkcfGDRTBvmvJp2uttr7s8nGFAA==
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

2026-09-17T11:39:55.982627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029295
observed 22f731ebcf01018a2fa707b336c7366a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.966531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029295/manifest.json
observed 0d1546f9fc225a8eff2eb038251946de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.949684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029295/publication.md
observed 6c4126aa76221da2f8f0bb50dd88e997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.929459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029295/publication.txt
observed e83c2e80f3510c550ca722659304de71...
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.