OpenTechnical

OT-2026-000067891

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000067891) never changes.

Identity and time

Publication numberOT-2026-000067891 · never reused
Internal UUID01a0ae8f-c4fc-780d-b922-f087a2b10477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067891
StatusPUBLIC

Content hashes

Canonical text869be6cacdbd611fd587ef34eb80cda272dafcf6a896ab2ec411ede1fccda74d
Markdown53da06b6f27da78d917f0d0861377fe97c3c70511319e43a5735f76533ef8d98
PDF
Publication pageb2ece8c2810b2ce011f5fcc7a7dac63db91ac846968db374e726c72da8008ea6
Manifest2c2c4b6438705b57dcdd8cc2fbc71a2a677e1d9e8d962cf40945001d049dfe1d

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
SignatureK7sqvf8NEkJusmy2L+ZEFL1LI8OfTNdtZQ1c+8uLVYT88XfjTOdTJ1puJF9o6zciuI4p2BDVg/D4/icxYgtoAQ==
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

2026-09-17T10:30:17.323833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067891
observed b2ece8c2810b2ce011f5fcc7a7dac63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.302445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067891/manifest.json
observed 2c2c4b6438705b57dcdd8cc2fbc71a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.280579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067891/publication.md
observed 53da06b6f27da78d917f0d0861377fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.262720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067891/publication.txt
observed 869be6cacdbd611fd587ef34eb80cda2...
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.