OpenTechnical

OT-2026-000057821

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000057821) never changes.

Identity and time

Publication numberOT-2026-000057821 · never reused
Internal UUID01a0ae88-6ed8-7d6b-b9c9-8efc830058d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057821
StatusPUBLIC

Content hashes

Canonical text27438447397ef026e6cad92c83e2c5f9fb0d4e47afa6923d1d63ffd5838f7311
Markdown08cb0775171898980c56bdbc5fe461a1737164710839b4605112078a91cf29e7
PDF
Publication pagef31142cbdd10da0cae584b6f07f74d010125b538e96884c887a0cc02178a6883
Manifest905f4137de16dfca7ec9b110f472cf00e381869392847dc68d073de7cf840e39

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
Signature9nBxcERWw+P5qF6nbo3AnvW5qIShPxSOhqqeLmp+LvrfJtsy6Mh6oDRVostkRkzH5jz1xTKlHHEPlPJXVFUaCA==
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

2026-09-17T10:47:23.254355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057821
observed f31142cbdd10da0cae584b6f07f74d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.235113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057821/manifest.json
observed 905f4137de16dfca7ec9b110f472cf00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.213523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057821/publication.md
observed 08cb0775171898980c56bdbc5fe461a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.193320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057821/publication.txt
observed 27438447397ef026e6cad92c83e2c5f9...
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.