OpenTechnical

OT-2026-000026920

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000026920) never changes.

Identity and time

Publication numberOT-2026-000026920 · never reused
Internal UUID01a0ae72-3452-7b11-b94e-a8fe860fecdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026920
StatusPUBLIC

Content hashes

Canonical text3472c84a65a95ed59ebd3dfd34af7838610c42b9546dc0e07ca1d91a9deef1e8
Markdown3da14fa3c553f8a713890bdddf230e91da289fdbebc3502a694dd82566c101b5
PDF
Publication pageafda85d5e1b2adbf2b7c415716b25bfc84d2ec3702601fba42ca2d5f62e571bc
Manifestdae48f39711afc72ae4e5b312b9f00b04c2fead17fb01d32f77d2de186211d9b

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
SignatureRSAM5zN6852940FsyKNNtwUOzmyyvrfL07M7BL1IV58++/Fmd0DNm2iM0x0qsewVXx5K+JqYt+1ZgBPUTvzqCw==
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

2026-09-17T11:43:32.072101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026920
observed afda85d5e1b2adbf2b7c415716b25bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.054914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026920/manifest.json
observed dae48f39711afc72ae4e5b312b9f00b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.037223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026920/publication.md
observed 3da14fa3c553f8a713890bdddf230e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.020094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026920/publication.txt
observed 3472c84a65a95ed59ebd3dfd34af7838...
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.