OpenTechnical

OT-2026-000062131

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000062131) never changes.

Identity and time

Publication numberOT-2026-000062131 · never reused
Internal UUID01a0ae8b-b8b0-746e-90a2-c824969fa2de · 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-2026-000062131
StatusPUBLIC

Content hashes

Canonical textd8aba99e1636682b436f31f90c6dfb6df2b8b12017270ae6dd7d00e6da555fce
Markdown39dc6de62d2434329462a9961f59bb45ff8ca8f08513b85fd9f385674d9011c6
PDF
Publication pageaaaefd1700818f0b9cd2b4d0dcc7bd6020596d46c433230881a550bcbda9297f
Manifeste954e501a4853f03c04798a1163fb42477b999cae86b83f396cc1882e57dd814

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
SignaturefJIGmAKZgUNGDFJZze3U4cnpR/PqKByxZU6XyJooOKpQOXzPvtKjVQUXd4SYaRn6BZ4W4n4dK5sglMawoChxAQ==
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

2026-09-17T10:41:11.825473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062131
observed aaaefd1700818f0b9cd2b4d0dcc7bd60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.807891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062131/manifest.json
observed e954e501a4853f03c04798a1163fb424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.789851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062131/publication.md
observed 39dc6de62d2434329462a9961f59bb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.770192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062131/publication.txt
observed d8aba99e1636682b436f31f90c6dfb6d...
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.