OpenTechnical

OT-2026-000034343

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000034343) never changes.

Identity and time

Publication numberOT-2026-000034343 · never reused
Internal UUID01a0ae75-df0e-773f-8199-68e8bfd9dcd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034343
StatusPUBLIC

Content hashes

Canonical textbfb90fdca5a33467305031a33a083e3c25de7b6c344b3ec4045a198761bd1bb7
Markdownb80192ada4f88b202637ef0abb7185eb2ac33b6834dbd81024c4c3d85a20ba41
PDF
Publication page75772bdb62ee0a048a7a60e0f00265f68caea61963eebe09f406496e3ed86c07
Manifest8b47f9d2457c344ba762e468329c561a01ee59a71cce87381228455a8481b78d

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
Signature2gd/5Gazx5yKxFUS2Xvk5XFpoqbf9Gu1fY9uQ5rlcQaT8cOfs7/rxWt9LN3j+LlaRJ4JQ82ZH+sICVjNOL9LAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:02.561583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034343
observed 75772bdb62ee0a048a7a60e0f00265f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.545033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034343/manifest.json
observed 8b47f9d2457c344ba762e468329c561a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.524806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034343/publication.md
observed b80192ada4f88b202637ef0abb7185eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.507192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034343/publication.txt
observed bfb90fdca5a33467305031a33a083e3c...
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.