OpenTechnical

OT-2026-000071012

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000071012) never changes.

Identity and time

Publication numberOT-2026-000071012 · never reused
Internal UUID01a0ae91-8c2e-75ed-954d-0d519f24d377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071012
StatusPUBLIC

Content hashes

Canonical text606916da99cdbcb8a3efc892cd0ed00444000bab2081fd14e82d295eb117e505
Markdown86618d107bd21e0fb426d58fa5095869cb05106f0aec5cee44c54a7e601accc5
PDF
Publication page1d237dbff36a5ebcd1fb44d37399b1293e0b173ac47e3d26a9fb65f47fa0d095
Manifest9793699edc5fbe77d85966469b6c7b8a39c23e5be39436f1dd8472334002a1df

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
Signaturejk9dTEvTHPHzzzJyBl6JZ+uTLecJ3ShODuqAN+07ST+YzDv6nAt+GkE856ZRSAI0oRuzL+6eleKL7uo62pZHBg==
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

2026-09-17T10:25:51.941204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071012
observed 1d237dbff36a5ebcd1fb44d37399b129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.924868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071012/manifest.json
observed 9793699edc5fbe77d85966469b6c7b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.907498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071012/publication.md
observed 86618d107bd21e0fb426d58fa5095869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.889505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071012/publication.txt
observed 606916da99cdbcb8a3efc892cd0ed004...
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.