OpenTechnical

OT-2026-000073069

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000073069) never changes.

Identity and time

Publication numberOT-2026-000073069 · never reused
Internal UUID01a0ae92-c816-72e1-8e64-4e71fc9ab092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073069
StatusPUBLIC

Content hashes

Canonical text9aef022b864a12daaf304f6308415bb6ce2145e5958e79a4e452ddc64281b913
Markdownafd9090eaef8cb77244ecaedbfc7ddc47b6f064781ff0e87551f6a6557b5e88d
PDF
Publication page766d2727df2686287838111244690c308a30aedcdf4a816100ef3f48564dc8b7
Manifestc1351b375dc1eace542f04c957a467d7c51438a7fad497393bb92dc264e568c6

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
SignatureUFo4vQ4Rbd3VAHR6e0Tb2nX3IJw3DRD/oY/xNd7QSCWOwmXii2sttV16hIGr4iko2gtWiiBEkmiD5EygWcO/DA==
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

2026-09-17T10:22:01.084127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073069
observed 766d2727df2686287838111244690c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.066350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073069/manifest.json
observed c1351b375dc1eace542f04c957a467d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.049443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073069/publication.md
observed afd9090eaef8cb77244ecaedbfc7ddc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.032024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073069/publication.txt
observed 9aef022b864a12daaf304f6308415bb6...
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.