OpenTechnical

OT-2026-000101015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000101015) never changes.

Identity and time

Publication numberOT-2026-000101015 · never reused
Internal UUID01a0aea3-c377-729d-8d6a-88852a40492e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101015
StatusPUBLIC

Content hashes

Canonical textdc2ecc91d776ae0e261ab6a54267f95caab54f202d8942ecc06271f8097a1efa
Markdown72909eeebb1bf49720b154a3df991ab3943f545d7124068a0560dcf93fd64530
PDF
Publication page2095ef3675ad49eea603c7c1ada3d3bfcfaa4156fcc923b554e987188168e693
Manifest93bdff881e925423f278de3f284d9cdc1ffec3df93a2aeb3d7740222f2368463

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
SignatureO+g35TMxqfji4Owpv9GSY6wkNn4ZTVn7TE+JrfDYwMF/1jQrePtpEpGkoV/CVrcHHaLwxKAgYaN09wGgenARDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:37.105998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101015
observed 2095ef3675ad49eea603c7c1ada3d3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.089378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101015/manifest.json
observed 93bdff881e925423f278de3f284d9cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.071134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101015/publication.md
observed 72909eeebb1bf49720b154a3df991ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.051696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101015/publication.txt
observed dc2ecc91d776ae0e261ab6a54267f95c...
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.