OpenTechnical

OT-2026-000067974

Publication integrity record

Two bellows 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-2026-000067974) never changes.

Identity and time

Publication numberOT-2026-000067974 · never reused
Internal UUID01a0ae8f-c4fd-7e0d-8993-77e6f195398f · 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-2026-000067974
StatusPUBLIC

Content hashes

Canonical text0109e0b9c9479bc154a39bf0abd804753c3e05c368c10e4970368125699eac89
Markdown5b6f6cc2fcf33f46b76f6c52c6a695bb2f2d1ece299ad54ad1f7f35b34eb1a27
PDF
Publication page54ba0577855c8d421a22c66673ace972f4c0aaaebc2b0e37e1637846d8730d13
Manifest7069255a1250d670f8548b0b4bffa261b3e2a98df53ca3a885103d085791607b

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
SignatureZ4BZT3M2e3+NAxFOCzzgZbu6qI3P8i1RBtLvW8G/uTc84NtUgT7FChW1eOs5qWid46soUZgVtGrNeXYM9tPTDw==
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

2026-09-17T10:30:31.170821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067974
observed 54ba0577855c8d421a22c66673ace972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.151762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067974/manifest.json
observed 7069255a1250d670f8548b0b4bffa261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.133345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067974/publication.md
observed 5b6f6cc2fcf33f46b76f6c52c6a695bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.114662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067974/publication.txt
observed 0109e0b9c9479bc154a39bf0abd80475...
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.