OpenTechnical

OT-2026-000017636

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000017636) never changes.

Identity and time

Publication numberOT-2026-000017636 · never reused
Internal UUID01a0ae6e-96f9-71ef-b469-82f022d3ee6b · 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-2026-000017636
StatusPUBLIC

Content hashes

Canonical text85cd57c6f2d20aef8e4cad74301cbf542fab45800d1298a756cd35a476e8b7f9
Markdown63c4a4a5a6a6fb811bdd61100c7baa5a990ac2461150229dc679883f385663c2
PDF
Publication page833cfcdf39b61244534167541c5f5ddf0eed6d5ff516efc32904cfe073b8672c
Manifest0f0a062273e580d85febc30c0522218f1483b27cbe8cc7b8625823d31b8ef6a2

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
Signatureqjmp6Wx07mfchw7F6wkoiO9I95Qx6+D6mote8nM0SQtgKWRUFdA0g0t8SDVeJ4elZZjifsaXNTTa6GiSoL9NAw==
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

2026-09-17T12:01:27.002632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017636
observed 833cfcdf39b61244534167541c5f5ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.986012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017636/manifest.json
observed 0f0a062273e580d85febc30c0522218f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.967677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017636/publication.md
observed 63c4a4a5a6a6fb811bdd61100c7baa5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.948511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017636/publication.txt
observed 85cd57c6f2d20aef8e4cad74301cbf54...
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.