OpenTechnical

OT-2026-000022848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022848) never changes.

Identity and time

Publication numberOT-2026-000022848 · never reused
Internal UUID01a0ae70-46ea-7cc1-8c21-77c585b58380 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022848
StatusPUBLIC

Content hashes

Canonical text1dac1b3211dd1e8e359cc6755d2d59767fcaae189fde4e3ff4ef2cf6b713fe99
Markdownca3b994f221a5143f53e428c849bad604bb99b4c9ee34e45b5f23cb2f8ce7042
PDF
Publication page356fd4cf53bcab0f54894eb158a2f25e3fca7a90cf24144b0a1027c36f2fc2b5
Manifeste95c82f3076d12ac8d87cebf20db0111b034aa125a27de5e801ba890c0a9b686

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
SignatureKk1fKue9WvMYjIevt0syrVRZaHLwIS7RPkvl0Acceinv2fukTRWQGpD5Y8vWetSgr9Fr1sT0zpmNxTPbDgE1DQ==
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

2026-09-17T11:52:23.135456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022848
observed 356fd4cf53bcab0f54894eb158a2f25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.117731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022848/manifest.json
observed e95c82f3076d12ac8d87cebf20db0111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.100618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022848/publication.md
observed ca3b994f221a5143f53e428c849bad60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.084714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022848/publication.txt
observed 1dac1b3211dd1e8e359cc6755d2d5976...
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.