OpenTechnical

OT-2026-000014775

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000014775) never changes.

Identity and time

Publication numberOT-2026-000014775 · never reused
Internal UUID01a0ae6d-d094-7ae6-bc51-359a94870b2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014775
StatusPUBLIC

Content hashes

Canonical text982367cf1938b4bd0f0f814d0e34fb8b589295cd173d293012e92365ed78799b
Markdowndb78b3feefc8a6845f35c41854b490220a27de7e9c75bc3e70c052b77adcaaa3
PDF
Publication page3076080bd7726c77fdefdbfdeffd7363a4e2b77ab77d0731b210edc9563bc742
Manifest171df172a0cb170958bc4a2e6e7a7dd7fe9bb03e831c964f8e5bee634d4b0060

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
Signaturew/tbykuhX1FBNQt4jMdQtXm03U1hOY5edceBtAxFRwOetv9E6qCJSC7/uqbP58Qbo1vAWA830Wxk4Shn8JI5Bg==
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

2026-09-17T12:06:39.805675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014775
observed 3076080bd7726c77fdefdbfdeffd7363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.786120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014775/manifest.json
observed 171df172a0cb170958bc4a2e6e7a7dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.768184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014775/publication.md
observed db78b3feefc8a6845f35c41854b49022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:39.749676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014775/publication.txt
observed 982367cf1938b4bd0f0f814d0e34fb8b...
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.