OpenTechnical

OT-2026-000062115

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000062115) never changes.

Identity and time

Publication numberOT-2026-000062115 · never reused
Internal UUID01a0ae8b-b8b0-7a63-aef6-09cd634b32cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062115
StatusPUBLIC

Content hashes

Canonical textb2a98efa27be66e8b0bb3d2f4db8afef6f159235c319d320762ace731713e146
Markdown66a7187fa4ae1635a1ad1b180a593769a92ac6caadb451a578c6757f294dd2cd
PDF
Publication page6da6081d9c9e486fcab6f6ae2447626c780429662732b298d154f6ff5d803919
Manifest10a63636ef5d25dba4eb43a6dddfa794f8158b4e345c4d94a96e039174254c9a

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
Signature8kOpYpkGWg5wrK+Hs1HMUUqfTrGBMYWPNghBwxFQua6bWlOJauB+4egzDJMWCm45JSCZeK4UF6rc8nKMwp9gAQ==
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

2026-09-17T10:41:10.570485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062115
observed 6da6081d9c9e486fcab6f6ae2447626c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.550880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062115/manifest.json
observed 10a63636ef5d25dba4eb43a6dddfa794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.533021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062115/publication.md
observed 66a7187fa4ae1635a1ad1b180a593769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.514045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062115/publication.txt
observed b2a98efa27be66e8b0bb3d2f4db8afef...
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.