OpenTechnical

OT-2026-000056758

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000056758) never changes.

Identity and time

Publication numberOT-2026-000056758 · never reused
Internal UUID01a0ae87-7af7-7e3f-b07d-ce477c3c6509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056758
StatusPUBLIC

Content hashes

Canonical text18b4b4291847e299d6e1cc14a2305bcea6ffbc36d775c51ab8e5e59bcaf31034
Markdownf96d05ecb5613f11d4bfab02f17b8edfb8d981284e9c1b3a48d82cf7def40054
PDF
Publication page3c82d89bf943a1ced08cb5e1f4cf7ef809cf55337b9ba999135a9bdbf023fc92
Manifestb500cdf2c212da9e7c0b8532f149b8387a59bbe9dd339bc2ff8bb0baceb27b92

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
SignaturefgMfWcWDfOYUleMOV0IVDSkmEPYsQPyyMR0yrCZ6l2BXldsaZMsMPtdymKDsoYb/SALNYRsWXKHOQFxa3sF6Cg==
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

2026-09-17T10:50:12.138465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056758
observed 3c82d89bf943a1ced08cb5e1f4cf7ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.117786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056758/manifest.json
observed b500cdf2c212da9e7c0b8532f149b838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.099129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056758/publication.md
observed f96d05ecb5613f11d4bfab02f17b8edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.080258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056758/publication.txt
observed 18b4b4291847e299d6e1cc14a2305bce...
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.