OpenTechnical

OT-2026-000053596

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000053596) never changes.

Identity and time

Publication numberOT-2026-000053596 · never reused
Internal UUID01a0ae85-0a93-738a-86dc-6b400ddd1b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053596
StatusPUBLIC

Content hashes

Canonical text04a76bb7e5621b6dbacb052ef749113c25743abc40d72e2c27224be6f5e221d8
Markdown02ebbb5253fdbb7a04b27661b973a40ff0ef1b481b0a2af1488c4489cf0ce0e0
PDF
Publication page5ad40187d9965659446a03544cadaf10ae35aa968a23c35eec41dfdf66735339
Manifest33a9847fe32d7c55473fe677be3c36d69ec56ad2fa610e3a484670d880aeaf04

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
SignatureZ1QTLh5IwieGvKNipsCOBXZQtHxCfUcgTMI9y/+F61k8nW+UIaiMEIgtZn7t3FaK0QUFppnz7nRyKR0J+W8xCg==
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

2026-09-17T10:55:28.022495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053596
observed 5ad40187d9965659446a03544cadaf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.002943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053596/manifest.json
observed 33a9847fe32d7c55473fe677be3c36d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.984677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053596/publication.md
observed 02ebbb5253fdbb7a04b27661b973a40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.966703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053596/publication.txt
observed 04a76bb7e5621b6dbacb052ef749113c...
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.