OpenTechnical

OT-2026-000048783

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000048783) never changes.

Identity and time

Publication numberOT-2026-000048783 · never reused
Internal UUID01a0ae80-c32c-7ffa-89e6-dc50de8aafeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048783
StatusPUBLIC

Content hashes

Canonical text80be11e5c1bc887e3c49179c9b93702db6756ce2bef9bc6f1fc35bbb003bd12c
Markdowna4cbe04dbe5af539c661f166915c562fd2c2486944cc7aafbe14997e53a9e5aa
PDF
Publication page1ac6b8a535c4462f29cc0cebe0f2771f6bc83943c05bccc75ffb6837c11fbe22
Manifestaa093e63f4aed5a93161052d749435bf03e4c352884caaea5aad0b8592851a19

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
SignatureYfUTKRdjjtr07vav6DMik7qvRbKRaQ7JPgBpYlB9qOzqiectO+nBi6aScoR64uPJBWK+XvdltbWpyd/hm/TdDw==
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

2026-09-17T11:04:29.020631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048783
observed 1ac6b8a535c4462f29cc0cebe0f2771f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.992512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048783/manifest.json
observed aa093e63f4aed5a93161052d749435bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.963710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048783/publication.md
observed a4cbe04dbe5af539c661f166915c562f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.937414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048783/publication.txt
observed 80be11e5c1bc887e3c49179c9b93702d...
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.