OpenTechnical

OT-2026-000017616

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000017616) never changes.

Identity and time

Publication numberOT-2026-000017616 · never reused
Internal UUID01a0ae6e-96f9-70db-9ffb-51fe87837596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017616
StatusPUBLIC

Content hashes

Canonical textb21515f249e6ae4dcc8a593901eccfdc152ebe62dba27206609dc49544a68c80
Markdown66b5f60e20ba968196a3e3ef7ed408f9eea62f061db61e276fd5a7ceaf969cff
PDF
Publication pagec36879f26fcfa1d8741ce16243f2fdb618329fdb4034ac0ba8aaf67688a17dba
Manifest1425736af4ea4d18d1ffe4f8c690cc2d885ec8ed07def096a7132c91970d53ea

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
SignatureXV0mQADfWSK1nRdREkTJjlTWvEIW3abyog8T/mcJpMt+gl1cpbs9SwG7/0nmP/Zy9Q7sfhdRjy8Eo2RY0u3uAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:25.456878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017616
observed c36879f26fcfa1d8741ce16243f2fdb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.437645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017616/manifest.json
observed 1425736af4ea4d18d1ffe4f8c690cc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.420558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017616/publication.md
observed 66b5f60e20ba968196a3e3ef7ed408f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.403098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017616/publication.txt
observed b21515f249e6ae4dcc8a593901eccfdc...
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.