OpenTechnical

OT-2026-000057819

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057819) never changes.

Identity and time

Publication numberOT-2026-000057819 · never reused
Internal UUID01a0ae88-6ed8-7b06-974e-c4b97f8d9021 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057819
StatusPUBLIC

Content hashes

Canonical text08e383b88effd3a289c645b1ef7a1dae79de7bf4fd534c1ece4c981254bcef34
Markdown8b9a0c8e43a2bba11c45563c161c510b5b9b7811a0bd194ad5160dce81da60a4
PDF
Publication page6f8d9d38d815a9245591a79c0c076008a69f866b6d8bdf72600be5cc5eb3cb50
Manifestc425681905353a619e5a4a4ae557b4438889bec316a87b6797ffd2a4a4c0e7e3

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
SignaturegdQ18K9WSnGv/tYufdw6NZvZmZm30v1qFHhVN8x+85nNGyHQRpShWm1aplHk1wVfmNwg4MaF9zHogK1vaxm4CA==
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

2026-09-17T10:47:21.907591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057819
observed 6f8d9d38d815a9245591a79c0c076008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.889031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057819/manifest.json
observed c425681905353a619e5a4a4ae557b443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.871104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057819/publication.md
observed 8b9a0c8e43a2bba11c45563c161c510b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.851416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057819/publication.txt
observed 08e383b88effd3a289c645b1ef7a1dae...
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.