OpenTechnical

OT-2026-000062015

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000062015) never changes.

Identity and time

Publication numberOT-2026-000062015 · never reused
Internal UUID01a0ae8b-b8af-7022-a23d-f8dcb8351a4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062015
StatusPUBLIC

Content hashes

Canonical text88a688b560aa405fd6d104b97291e4678d20695d8a1f14dbf5fe162e55da6dbb
Markdownf3eb7d0d081baabbbb5c8c9370f7646caa6a5112148160993ffde01b21ca9a83
PDF
Publication page95c5e6c89268fd1ee8f558711733ffb0b1bcdc597176ddf0f1280680ceca96cc
Manifest38377cb3e1dc1135e4aa1356207f6e30512897c10e0467d569031cb0a827db79

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
SignatureLxfbj7HGAyrtJqDppLzyll9K7pgWualrY7Tm/53MmYaujcj89DzLQGb9iqrSb30u38d5oAOoGsVAzarYepl0Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:02.696100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062015
observed 95c5e6c89268fd1ee8f558711733ffb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.675765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062015/manifest.json
observed 38377cb3e1dc1135e4aa1356207f6e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.657362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062015/publication.md
observed f3eb7d0d081baabbbb5c8c9370f7646c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.636858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062015/publication.txt
observed 88a688b560aa405fd6d104b97291e467...
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.