OpenTechnical

OT-2026-000063229

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000063229) never changes.

Identity and time

Publication numberOT-2026-000063229 · never reused
Internal UUID01a0ae8c-94ab-7f4c-8132-443897ac0740 · 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-2026-000063229
StatusPUBLIC

Content hashes

Canonical text72e56a2c64d85ad9c0538fe9385aeeab6a8dce6bbfa4a5679fbc503807e95991
Markdown9d29afb9fddb5356254da71bdf9934bf9dddbb5f14e46e0851c20b5fc2f87004
PDF
Publication page26191a2ab08e8bbb9b9f2ce6b9daa5d9f0f4d700d77a2a8b5230c5c3217be855
Manifest61be1d8fc8a5fb7131911590994ccf0e338cd1ba543720da54155b3bebe98d6e

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
Signature6TxLkzsKwS4teKEVU3PEeUBh1/FTwOFqyTbwon7Z6PYH4GmHap8MRpHXpQzWx6brb8o0P96HOVRiIfytW1cbBw==
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

2026-09-17T10:39:06.509449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063229
observed 26191a2ab08e8bbb9b9f2ce6b9daa5d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.489776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063229/manifest.json
observed 61be1d8fc8a5fb7131911590994ccf0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.472096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063229/publication.md
observed 9d29afb9fddb5356254da71bdf9934bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.453497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063229/publication.txt
observed 72e56a2c64d85ad9c0538fe9385aeeab...
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.