OpenTechnical

OT-2026-000015652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000015652) never changes.

Identity and time

Publication numberOT-2026-000015652 · never reused
Internal UUID01a0ae6e-0c4b-7f52-ad4f-2ac3644b60d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015652
StatusPUBLIC

Content hashes

Canonical text74fdc698608713fb875482fbfcfcfc5bd66e8e413e3e1bf99983f5864cfafa7f
Markdown9c7b5959ddb7a80ccdf8e6afecc082d3ab72998dfbadeea7f67dddad3634f493
PDF
Publication page53c0e26a3743b25014aac4a271ab937c9fae9ce1fbd2e9427c9cbc1d20004cf3
Manifeste45c421140936a67af749a15e7b251607ab742a68ef7794b51210134ebba5db1

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
SignatureZFJP6IxkkOJGT5/zWlhiYL5zdBqZvJcWUY87jevbAMQLBNj3DjAYtJCf2Uw7jyuxNIA8ZoIY45OO8tcCTJyNCw==
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

2026-09-17T12:04:54.723835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015652
observed 53c0e26a3743b25014aac4a271ab937c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.705162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015652/manifest.json
observed e45c421140936a67af749a15e7b25160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.686693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015652/publication.md
observed 9c7b5959ddb7a80ccdf8e6afecc082d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.669275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015652/publication.txt
observed 74fdc698608713fb875482fbfcfcfc5b...
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.