OpenTechnical

OT-2026-000015011

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000015011) never changes.

Identity and time

Publication numberOT-2026-000015011 · never reused
Internal UUID01a0ae6d-d096-7603-8d1d-9012310b8ef8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015011
StatusPUBLIC

Content hashes

Canonical text3f5d20cb912504619922000a28d9c1e295a58bcf70a120da7163f3867b2c2620
Markdown5cbd3e6153fc37cbc67b513b31a3996b6e1dac9532e827cab87da92dcb0b4edb
PDF
Publication page200b1c505da8dbb04699b6718a342119b01960b006acf7bdfa02f3b5c0a0e46e
Manifest2899bb251e64c50540ea1070ba0295ccc209a99cd63a6dfb1028d3554714a738

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
SignatureCzHqMn0foPd1SE7KXQlTUHNJl4Y7ThGn+GDqVURXfV6SV6ubVtKKJot6nn8pCPkRrW5468MgrgdyEK0keHeYBw==
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

2026-09-17T12:06:58.856494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015011
observed 200b1c505da8dbb04699b6718a342119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.838586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015011/manifest.json
observed 2899bb251e64c50540ea1070ba0295cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.820328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015011/publication.md
observed 5cbd3e6153fc37cbc67b513b31a3996b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.801331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015011/publication.txt
observed 3f5d20cb912504619922000a28d9c1e2...
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.