OpenTechnical

OT-2026-000056334

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000056334) never changes.

Identity and time

Publication numberOT-2026-000056334 · never reused
Internal UUID01a0ae87-4bd2-7a1e-ace2-3a227b06dd5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056334
StatusPUBLIC

Content hashes

Canonical text7497de5a5ec885a4b5f2cba1c91a410df6f6887942a93e1cc11e227200486a31
Markdownc0640125935656519368e180471abc32d7aa746759b32dfef67130b37c8303ce
PDF
Publication page369fb380caff96a1ae4c67014f7627bffab105ff1122db09c9cfb7e92c65df57
Manifestbd40091a83bc2de855a270d27b513915a788d5044ba855f8f614ab4bd8f663ca

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
SignatureiUIRMu4ZNAMzvYkHioFN4BJsUSEXDYmiuhnvaqpwNKHKzRe4btmJFC5CsOS+5+Lh+miWawbbrC9FuQeXl1IyDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:50.447979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056334
observed 369fb380caff96a1ae4c67014f7627bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.429847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056334/manifest.json
observed bd40091a83bc2de855a270d27b513915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.411943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056334/publication.md
observed c0640125935656519368e180471abc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.394124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056334/publication.txt
observed 7497de5a5ec885a4b5f2cba1c91a410d...
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.