OpenTechnical

OT-2026-000042555

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042555) never changes.

Identity and time

Publication numberOT-2026-000042555 · never reused
Internal UUID01a0ae7a-c0cd-7f5f-9d78-c503cbfe2b39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042555
StatusPUBLIC

Content hashes

Canonical text555a677752c608237d2802c5aeb926ad4ff8ee66f203f2c6de61e88b5ac90d15
Markdown51079ed35397464e6f5fd51c0e1aa79c316bf6ece4482d01a29be0129ada970d
PDF
Publication page4db111faf95840a22993c5e4dfce74d1a0ac752d03a80eb24fcd8a8df55e3a45
Manifest1cf8ab6f18aa3bfc888fc8a4747c8f9bad4a23da640d97401bef88ae79de0262

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
SignaturemAiE05gXoHV2n3jvt/oRN06tEx7C/1QjAQRplyEZA8AHgREZh/2ut1TiZAkPLFXLbSQ0s+r80QMSeuP94Wv+Cw==
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

2026-09-17T11:14:15.818625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042555
observed 4db111faf95840a22993c5e4dfce74d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:15.796048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042555/manifest.json
observed 1cf8ab6f18aa3bfc888fc8a4747c8f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:15.776765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042555/publication.md
observed 51079ed35397464e6f5fd51c0e1aa79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:15.757630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042555/publication.txt
observed 555a677752c608237d2802c5aeb926ad...
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.