OpenTechnical

OT-2026-000056446

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000056446) never changes.

Identity and time

Publication numberOT-2026-000056446 · never reused
Internal UUID01a0ae87-4bd2-729c-bb90-158a87c30c3e · 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-2026-000056446
StatusPUBLIC

Content hashes

Canonical text4838363a733949a33c0e74d0a7d64ebec4ae796c9a81f9d221e72531f256114d
Markdown9cb0ab3a70ecc97ab98f786fc37539371839b6b2ab171eafe4981151abef55cc
PDF
Publication pagee1dcc12d0e4aef773e3884872b0b1105f466ca3f5efc95228e949d242f6b1ad6
Manifest178b4174997ffa98f35620090f83446337786659c3ef452697f205b72961d9b4

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
SignatureIaOP9ZMxrG+g1JEpSOPRQRCkBRJEfK9Kc5rFRriWHeOYfg9KmNDL6ShQ5L1xQu+4yXajwCwTnnsJSwFyYarHBQ==
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

2026-09-17T10:50:58.885588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056446
observed e1dcc12d0e4aef773e3884872b0b1105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.868323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056446/manifest.json
observed 178b4174997ffa98f35620090f834463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.851001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056446/publication.md
observed 9cb0ab3a70ecc97ab98f786fc3753937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.833270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056446/publication.txt
observed 4838363a733949a33c0e74d0a7d64ebe...
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.