OpenTechnical

OT-2026-000008390

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000008390) never changes.

Identity and time

Publication numberOT-2026-000008390 · never reused
Internal UUID01a0ae6a-e469-738e-ae0e-f458fb23bfdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008390
StatusPUBLIC

Content hashes

Canonical text5769ef3ea65db8516a4f1c216b3ce21f8001b6d27d317fbc1c5bc6648b2f928f
Markdown21efd77526c842edcebc4a60bf523d6961390512f1be1965376a8c64dd81e3f9
PDF
Publication page07feee4fdcacb17350698e8ee06b838bbd29f5a1622dac0ba090c2b1ed863566
Manifest470dc00a8d33e20de5e301ab39139f90e0323d1fca13cb79eb2c5f2d993362af

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
SignatureNxgjNOoc4YpLd18PNgs2+9s6LBvUgQlSh9aH4BVQra9Ecg9mMcZ7m7ziWWqspLVW1K0FJrqTwqF5baCjuFcrDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:13.544671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008390
observed 07feee4fdcacb17350698e8ee06b838b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.526478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008390/manifest.json
observed 470dc00a8d33e20de5e301ab39139f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.505164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008390/publication.md
observed 21efd77526c842edcebc4a60bf523d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.481290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008390/publication.txt
observed 5769ef3ea65db8516a4f1c216b3ce21f...
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.