OpenTechnical

OT-2026-000027419

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000027419) never changes.

Identity and time

Publication numberOT-2026-000027419 · never reused
Internal UUID01a0ae72-6998-7fcb-aa3c-6829816528c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027419
StatusPUBLIC

Content hashes

Canonical text1a112cdd8f5bb882ef3439daadd0f9541c49a2ac2a97f3ed07259979e2924068
Markdown05ddee0c7b67482640aff732c67bda451ec7bee41a554104b2464fd289fd5139
PDF
Publication page4412f682078c9eb9489399d80daeab32ecd26a8403602df91c9ced950b9109bf
Manifestfc6c77ced6625e7ab2ca9f6cffd303c0a4b5af6d6ed7df9174a4acd6087764de

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
SignatureZO4/c28WRd/3Uys0NWdQ53spuOOHXLwQsCdxda2gqpd9UhsaER42M9QbsYJuchNT13tFKuBD4IdeKvOioKwrCg==
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

2026-09-17T11:42:50.887510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027419
observed 4412f682078c9eb9489399d80daeab32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.869086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027419/manifest.json
observed fc6c77ced6625e7ab2ca9f6cffd303c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.851811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027419/publication.md
observed 05ddee0c7b67482640aff732c67bda45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.816772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027419/publication.txt
observed 1a112cdd8f5bb882ef3439daadd0f954...
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.