OpenTechnical

OT-2026-000057985

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000057985) never changes.

Identity and time

Publication numberOT-2026-000057985 · never reused
Internal UUID01a0ae88-6ed9-7f29-bc03-3d1e3ae46eeb · 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-2026-000057985
StatusPUBLIC

Content hashes

Canonical text57fa3f6a16f175d057fcabe61493db2b6191908f200d002aede30656f9d1329f
Markdowna434038d0e4ab972f92ef96e987701a70d2d2ab34dd56dea6fdb34170c5250a1
PDF
Publication page0c8e9e66897f34c726e9d8132463082b459acd3aca37df8c33939af9914e59a0
Manifest45494c801bc92a5305154dfd73d34cd4b32870ac3a06551585c2cf508e4ef010

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
SignatureFUD9Mon9g2gYegE2NOTcoZx6gdZd3xdb2enodZXSLnvKzBMZQdj2ybDDQc1B5My2EzmwP9eXqPuUoA97xxEYBw==
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

2026-09-17T10:47:36.766616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057985
observed 0c8e9e66897f34c726e9d8132463082b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.746591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057985/manifest.json
observed 45494c801bc92a5305154dfd73d34cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.727580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057985/publication.md
observed a434038d0e4ab972f92ef96e987701a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.711368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057985/publication.txt
observed 57fa3f6a16f175d057fcabe61493db2b...
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.