OpenTechnical

OT-2026-000073591

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000073591) never changes.

Identity and time

Publication numberOT-2026-000073591 · never reused
Internal UUID01a0ae92-efb9-7719-9a3c-03a0a3345d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073591
StatusPUBLIC

Content hashes

Canonical text5cdc2d128216161fb9fd6fc3aebfbe32e735919515eed844f7e8c5c1d37f7769
Markdown8074f1b3b29e1b1d97a8cd983ced0c3edda8ab814306b605366623cec1e4a988
PDF
Publication pagefb32a5151e553b6087fe122ded461d3c7b365f1259d8c8e0d2f33e9bb1717944
Manifest86da0af2cab440af2af37eb267adef5d14d4a3e7833dd1d6a5189f6d2fa97c46

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
Signatureif3+TGwKwNHxpJ2wgvUMN53ELjvqsPr+ig7R0ZWxaKDK1REOzHIjtQBwn5edFQcbgmP3raO6l/ySIQ6AHwrsCQ==
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

2026-09-17T10:21:46.273087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073591
observed fb32a5151e553b6087fe122ded461d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.254529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073591/manifest.json
observed 86da0af2cab440af2af37eb267adef5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.235572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073591/publication.md
observed 8074f1b3b29e1b1d97a8cd983ced0c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.217266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073591/publication.txt
observed 5cdc2d128216161fb9fd6fc3aebfbe32...
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.