OpenTechnical

OT-2026-000101873

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off 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-2026-000101873) never changes.

Identity and time

Publication numberOT-2026-000101873 · never reused
Internal UUID01a0aea4-50f0-7fab-8e18-9befae43a312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101873
StatusPUBLIC

Content hashes

Canonical textb27dc96b562de659d451c7ead63b2e14791aa056bf6739834d1f7b7425d48666
Markdown84cb6a06e708ee6ef7770a14de44221cd7520b84f528265e83bb1d1457f3e0c3
PDF
Publication page4f9366c0b5588c43b0759b21c9bb90b6a0f019c3cfbe86d0343af977e22dabfa
Manifestc14a9e934eb8fe64f7e34e725393350e8d6f499cb2f829c40ab934bd80c7ee0f

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
Signaturex9IYk3qI6xtOPJz+tUUP6SGBk5tsN8ltsiJAUjRZFaGjpc4Jl1YWP71/Y9oetoB8XFW12v75RJquPiowJsmmDw==
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

2026-09-17T09:24:28.648399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101873
observed 4f9366c0b5588c43b0759b21c9bb90b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.630607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101873/manifest.json
observed c14a9e934eb8fe64f7e34e725393350e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.613129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101873/publication.md
observed 84cb6a06e708ee6ef7770a14de44221c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.594857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101873/publication.txt
observed b27dc96b562de659d451c7ead63b2e14...
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.