OpenTechnical

OT-2026-000022819

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000022819) never changes.

Identity and time

Publication numberOT-2026-000022819 · never reused
Internal UUID01a0ae70-46ea-71aa-b890-191349ffdaae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022819
StatusPUBLIC

Content hashes

Canonical textdde4bc2efd97bd7d98388a6c12c2b705fbc4d10e1b1ebf1612e15c680708d3d7
Markdown6eb041a0729446e29ab97c784d226d67831ac0678531389a4f7df795a5dde830
PDF
Publication page60f46450a8260b470f389a89d1a418b3c71658ab6ba0d1f1b74afe1977e1a6d2
Manifestf01cd3b605a66f67599e334771f7415eec0bbaf6f1348cc88c8fcf06c36f8c80

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
SignatureWKx2q6rmqtUvAItNmZE1IPLqDuoKnF8fnzwJdvBteXvKTCjcd9l2QvxLZYkWqpWkUZBLr4UVwWuNgxqT0SYuDQ==
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

2026-09-17T11:52:20.890357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022819
observed 60f46450a8260b470f389a89d1a418b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.869992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022819/manifest.json
observed f01cd3b605a66f67599e334771f7415e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.852298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022819/publication.md
observed 6eb041a0729446e29ab97c784d226d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.833922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022819/publication.txt
observed dde4bc2efd97bd7d98388a6c12c2b705...
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.