OpenTechnical

OT-2026-000057556

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000057556) never changes.

Identity and time

Publication numberOT-2026-000057556 · never reused
Internal UUID01a0ae88-2693-7348-83fd-436226d3e1c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057556
StatusPUBLIC

Content hashes

Canonical texta17bdd6ca6105f7450452fb1b5385706af328f7f83a0325fa75d93c3f0390cfa
Markdownb3459177d3ec3c06cfbc82b489c24829de400051762f4e6647b535af01e30272
PDF
Publication paged2ab5bee5ec7d34612b787e56b5ba7abbfaa5d79ff84cdb09cce3a1854b07618
Manifest20a98f96f00add431cbde3835bfd3294410df6d4e3705646270b44abdac07267

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
Signature+cJWu02aoSawutz5MpkUqyaILVhFaplDZxNdcuzAhtPmQkxOUoOhD+sKO03ECKr4rz8JYU3z4cMJWsmzK0Z9Bg==
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

2026-09-17T10:48:05.929900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057556
observed d2ab5bee5ec7d34612b787e56b5ba7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.913050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057556/manifest.json
observed 20a98f96f00add431cbde3835bfd3294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.894717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057556/publication.md
observed b3459177d3ec3c06cfbc82b489c24829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.877708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057556/publication.txt
observed a17bdd6ca6105f7450452fb1b5385706...
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.