OpenTechnical

OT-2026-000012347

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000012347) never changes.

Identity and time

Publication numberOT-2026-000012347 · never reused
Internal UUID01a0ae6d-39f6-7d16-81b0-4c236fb967ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012347
StatusPUBLIC

Content hashes

Canonical text7ab9e879c50461dcde9444061c4d2a14278b336bb20a6b629fd760c2e5d77ba4
Markdown77c8bf6eae799b381196e51f186896eead7acee6506abbb19e12d3aa46b6a6d9
PDF
Publication pageebb676e3231247dcfe9deca5bce7723f37380a7f321316a6a6daf7adf35f0153
Manifest40f4b3467b2c9ab8712e27956dcc782389034eedc5760fe2b5a25ca2d0713eef

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
Signatureua9qLBKEhTWynOgHhu1QGO0hhfJxknCBXarpU81iHL4dmoOahkRbILQ//CSPWYjEWlFxS58HsjquYTnleA72DA==
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

2026-09-17T12:11:49.696595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012347
observed ebb676e3231247dcfe9deca5bce7723f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.677638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012347/manifest.json
observed 40f4b3467b2c9ab8712e27956dcc7823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.658843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012347/publication.md
observed 77c8bf6eae799b381196e51f186896ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.640247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012347/publication.txt
observed 7ab9e879c50461dcde9444061c4d2a14...
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.