OpenTechnical

OT-2026-000039571

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000039571) never changes.

Identity and time

Publication numberOT-2026-000039571 · never reused
Internal UUID01a0ae78-d8d3-7ae1-9e3c-76e5674513aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039571
StatusPUBLIC

Content hashes

Canonical text633afaf03a8ee299a376232d42b63e0013f5dd377fb9309eb5e89d540b60c5a5
Markdown343da7d218a48caf16497ee9e938267bf6fabe2f1b230522a6cfaa8bfe0cda87
PDF
Publication page6cebad90c91b897d2041763e51d0f94fc353c462cb3d6b25a9203f2c63aa7b82
Manifestdadae3844125a689fd8f8cfef2c23daae2b961b81b405aec8c8798a57839b163

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
Signatureokswmq62EFO8P7PB8nQFgKX6nrWt3UGHGn+ol2pTOFJl6qpMo6AJZT3bcIgNrNKqLbBe2senvpI4riI/pW2eDw==
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

2026-09-17T11:19:43.643748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039571
observed 6cebad90c91b897d2041763e51d0f94f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.625119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039571/manifest.json
observed dadae3844125a689fd8f8cfef2c23daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.606621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039571/publication.md
observed 343da7d218a48caf16497ee9e938267b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:43.589442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039571/publication.txt
observed 633afaf03a8ee299a376232d42b63e00...
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.