OpenTechnical

OT-2026-000030911

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000030911) never changes.

Identity and time

Publication numberOT-2026-000030911 · never reused
Internal UUID01a0ae74-3fb6-799e-88c6-b11a0ab56c79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030911
StatusPUBLIC

Content hashes

Canonical text18b43157eb95139d26d82310f7930df8f8f5b9f3e1e7280d4fe269291387a960
Markdown6ec800117fb2577ca5c70e32eeb2c3a48122e07b01af121ddf9542208bfb153e
PDF
Publication page8d218d60a1549d9edcebc7ec097103c802d2176919753a0424ef37e2e134ee6b
Manifestdf155d4ac5374821e56a46a4f52b3a08ef0fccccc8bfd80bd81b965f695e272b

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
Signature1QWXL4QTlP4u/cDVkzZw62chW2HNp3ogVhcqMzZ0eQ3vwkvkdtGm7qiowVEojMfEYhM6OjJ9xqawkgybFPrEDw==
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

2026-09-17T11:36:54.118112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030911
observed 8d218d60a1549d9edcebc7ec097103c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.102472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030911/manifest.json
observed df155d4ac5374821e56a46a4f52b3a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.085934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030911/publication.md
observed 6ec800117fb2577ca5c70e32eeb2c3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.067770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030911/publication.txt
observed 18b43157eb95139d26d82310f7930df8...
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.