OpenTechnical

OT-2026-000059117

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000059117) never changes.

Identity and time

Publication numberOT-2026-000059117 · never reused
Internal UUID01a0ae89-8611-7447-ba7f-2203f0769d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059117
StatusPUBLIC

Content hashes

Canonical text2637ae025e1cee31bc3e58f1745c0dc88ff50a819da1e01888013257c338cb37
Markdownea678e6c97663cf1bbd4ae3a5f488c2daecab6a195a71424e681b146bf4c3845
PDF
Publication page94e6074a3ee304f8f48e782bc0740d9c55fc10dcd846f17e4d5737c04156b67a
Manifest64e660db893bd5b5be40473d16a5386631beb3fa911d170fa15263bc97d1be76

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
Signature8oo6aX5gLQsPRuYfwLrfhbm4LxtdCPHcfg4inBEYfGtK657mCZAvHT/f19TwWig1Cn07arhIIgvEIsqzxwrdBA==
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

2026-09-17T10:44:57.549507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059117
observed 94e6074a3ee304f8f48e782bc0740d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:57.529396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059117/manifest.json
observed 64e660db893bd5b5be40473d16a53866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:57.509865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059117/publication.md
observed ea678e6c97663cf1bbd4ae3a5f488c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:57.490943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059117/publication.txt
observed 2637ae025e1cee31bc3e58f1745c0dc8...
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.