OpenTechnical

OT-2026-000068288

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068288) never changes.

Identity and time

Publication numberOT-2026-000068288 · never reused
Internal UUID01a0ae90-2480-709a-b410-a56f7a2f4096 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068288
StatusPUBLIC

Content hashes

Canonical text83830df93d7dd49796abfc02e60a54dde5336322e062e709f60268a5614abd3b
Markdownef993087c9b847fd069a85fec803867ccf562c2cc0f1535787fd48201fe54584
PDF
Publication page12a402d1d7887658ca30afedc911efaf61cd6d8717fd3988dc71d41cc81917de
Manifeste1f186dfb0961d10c8924b988722f4d7e4d94981783091f02e35efe779247c4c

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
Signatureltoa/S3QemODPQryTktRu6n6Psa+imr8y/WUXBkGtPljl98CeBAS8EDEi8ImIjD7vcP8OTLOWTkH/ry/wzRBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:19.269011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068288
observed 12a402d1d7887658ca30afedc911efaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.250698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068288/manifest.json
observed e1f186dfb0961d10c8924b988722f4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.234367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068288/publication.md
observed ef993087c9b847fd069a85fec803867c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.217825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068288/publication.txt
observed 83830df93d7dd49796abfc02e60a54dd...
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.