OpenTechnical

OT-2026-000061639

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000061639) never changes.

Identity and time

Publication numberOT-2026-000061639 · never reused
Internal UUID01a0ae8b-7b45-7d3b-8157-27510e369294 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061639
StatusPUBLIC

Content hashes

Canonical textb3282e4f69b0c6240eace46fed9fb9446f3d59bb612fd8ea1c38cc5569deb0ef
Markdown1e95b5ce4ea51f814fcac904b9c9df3de3ec6626381bd47dfe29662c12b2fd89
PDF
Publication page53addfd82d536464ec8f1d83329cd33397f450dc7810a075756aa87da37549fa
Manifest52d5f8ddc814e4248c9785935669e3f90235d17eeeb563abbb60cda6dea1df77

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
Signaturekm4i1oRp/JDXjSGXt4t+XA0aCFYwkQ0Q6A0pq7caBuj3WgRwl3PNs++Smz1VjAE9jDfRTSt2zqh1OhBcU8NZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:34.758053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061639
observed 53addfd82d536464ec8f1d83329cd333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.735498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061639/manifest.json
observed 52d5f8ddc814e4248c9785935669e3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.714602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061639/publication.md
observed 1e95b5ce4ea51f814fcac904b9c9df3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.696186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061639/publication.txt
observed b3282e4f69b0c6240eace46fed9fb944...
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.