OpenTechnical

OT-2026-000012073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000012073) never changes.

Identity and time

Publication numberOT-2026-000012073 · never reused
Internal UUID01a0ae6d-1943-7839-81b2-b4004a146b81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012073
StatusPUBLIC

Content hashes

Canonical text586811802b630ee3df6a28632cdc64e19366df73f41fe2cc234268148d2b1c0f
Markdown174ae3d0daa7698fa2b1ffa86ac1c17bb04718227f098867d8250d58422cdbc3
PDF
Publication pageff96d0ce2045f8a4d6e92c87841676df10d3832d33bd9302375a25c05fb36a3b
Manifestd1c5f4cab4ca0885817f4b7c07895d4aa9eda255b9ae7a33155f1421055bba18

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
SignatureNo5kpz+R2wkoLfjI/TCvaKK2yJT6CpHoFuem+mERQs2ip2o7Iin+vLPs809qIWeuD8h93TtMXGQ7KNlBaTJcBA==
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

2026-09-17T12:12:57.564145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012073
observed ff96d0ce2045f8a4d6e92c87841676df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.545732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012073/manifest.json
observed d1c5f4cab4ca0885817f4b7c07895d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.526752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012073/publication.md
observed 174ae3d0daa7698fa2b1ffa86ac1c17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.507617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012073/publication.txt
observed 586811802b630ee3df6a28632cdc64e1...
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.