OpenTechnical

OT-2026-000063267

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000063267) never changes.

Identity and time

Publication numberOT-2026-000063267 · never reused
Internal UUID01a0ae8c-94ab-7f3a-bba6-a4b094018fd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063267
StatusPUBLIC

Content hashes

Canonical textb1a742f6ab7474ee7140013639e13b2fef6ddcc9a2db330127e4807658765944
Markdowne02a9ce059aa388667c8aea205015a4a5e7ede13027e36db490a5c02a9037a71
PDF
Publication page2e0dc4e11fee61d5c1c0515ea5bdd97047fd0c54125ec3fdd6a632425171cd07
Manifest732c64f6eba5da3433d39a6452667ef6c6917f968e412989709182cbbee8c993

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
SignaturevMbWrcVJg0JieC7BqNv9quiA6ePM6ccy05YQSIWwCyttinZpyPT7ZZ4QPZcVjgNlNKrKbga1AcZKwPKc5v1jDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:09.351621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063267
observed 2e0dc4e11fee61d5c1c0515ea5bdd970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.335584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063267/manifest.json
observed 732c64f6eba5da3433d39a6452667ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.318776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063267/publication.md
observed e02a9ce059aa388667c8aea205015a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.302530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063267/publication.txt
observed b1a742f6ab7474ee7140013639e13b2f...
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.