OpenTechnical

OT-2026-000013201

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000013201) never changes.

Identity and time

Publication numberOT-2026-000013201 · never reused
Internal UUID01a0ae6d-6fc8-7b07-938b-a84b2864eb35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013201
StatusPUBLIC

Content hashes

Canonical textd2a6fedee57fb682dbb99215e79c331b9257d81945fc49515775b2463c918728
Markdown0879cea9eb06e69743c256a88cb7c944c9d29796300dfa9350f05ac785b0c31c
PDF
Publication pageab4e183f45a911339aff57ab9d0e52679f993dd62e15669e3424231c8e3095e5
Manifestf76f1e864ac6d295ac62d7829342662ada98ca9ebf0acd5d11556ef754b478c9

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
SignaturehDHWf7GaCr9zkNGPJS31HiJhkraxbtWcJyBnLvbgn9nllu4JvIuc5Xtkqei4VxvU9AHANMsCwumBMZDTLPe8CA==
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

2026-09-17T12:09:35.165519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013201
observed ab4e183f45a911339aff57ab9d0e5267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.143731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013201/manifest.json
observed f76f1e864ac6d295ac62d7829342662a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.123735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013201/publication.md
observed 0879cea9eb06e69743c256a88cb7c944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.103650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013201/publication.txt
observed d2a6fedee57fb682dbb99215e79c331b...
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.