OpenTechnical

OT-2026-000061317

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000061317) never changes.

Identity and time

Publication numberOT-2026-000061317 · never reused
Internal UUID01a0ae8b-1384-7368-9361-584acd366caf · 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-2026-000061317
StatusPUBLIC

Content hashes

Canonical text5aa2be44e3559b5a568754ddbace6b870aecf7550921f54e6aab65f1e3dc6398
Markdown30e06ae746de34a9bef15a26bb6f9ffcffdfd04fd52977c34cfb673ea9a3cc22
PDF
Publication page9771e8ccabc258390123e78149969abe75867ffe3335cb27dcbc8a5dbe921db3
Manifest5f3e3b836a9d71ab16ec373e31256c7052c49707af8fe2c8d7bdea9a6ede909a

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
SignatureEhm+Hbyi0OMG2Kat09Rw3eExywNtiwF61VJE4j1JHsBMmT/UfScggcVKjZOjwwOtqbeJhNIHxrDetWRKrGp1CA==
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

2026-09-17T10:42:45.117599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061317
observed 9771e8ccabc258390123e78149969abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.099992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061317/manifest.json
observed 5f3e3b836a9d71ab16ec373e31256c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.080021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061317/publication.md
observed 30e06ae746de34a9bef15a26bb6f9ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.061919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061317/publication.txt
observed 5aa2be44e3559b5a568754ddbace6b87...
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.