OpenTechnical

OT-2026-000061078

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000061078) never changes.

Identity and time

Publication numberOT-2026-000061078 · never reused
Internal UUID01a0ae8b-137d-7398-a6a9-999c6099035e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061078
StatusPUBLIC

Content hashes

Canonical textcc4125b62d8c1138451079ed8cc3ab3c872eab08aa36c83893b256a51f60ca0e
Markdown88b58312b1921256cbef3e914125483d20685625b2abb5ce9363a496b6ea8f39
PDF
Publication pagebe370f62166fe0dca2710d1a787fe244b4575c150a8a0c9a101cafd655d4ba5f
Manifest08a37b94af2c6e988e91b2f1eb639a69239291b0af9965b4b32d48714b74d5f2

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
SignatureFzsNEz0G6PF4hwz5F6QWj6j2aSm9HgbdHZDp/VxOg8p65rCHf1A6uMZCbczSoTkGsXRmQ6rXBoILuFeGJ8+WCg==
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...

Independent retrieval

2026-09-17T10:42:26.445153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061078
observed be370f62166fe0dca2710d1a787fe244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.427690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061078/manifest.json
observed 08a37b94af2c6e988e91b2f1eb639a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.409746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061078/publication.md
observed 88b58312b1921256cbef3e914125483d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.392168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061078/publication.txt
observed cc4125b62d8c1138451079ed8cc3ab3c...
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.