OpenTechnical

OT-2026-000056880

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three 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-2026-000056880) never changes.

Identity and time

Publication numberOT-2026-000056880 · never reused
Internal UUID01a0ae87-7af8-73b9-a53d-fc65b06f0944 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056880
StatusPUBLIC

Content hashes

Canonical texta32d5d57c2a1be535ff36998d1980e0ad3a4b312fd68688a198907c6b28f7d97
Markdown18767dadfeba1c7b09d818b2e3015ff467410ed24f387bc4c0ac3f469f407a1e
PDF
Publication page160c429b8d30017cb2213d12022f6be965de47578dafa09ff0cdbabd479c1acd
Manifest9178cb34aa782c45810839f4ee0a836fbb731fc091d8d922f4f3dfa15f24157d

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
SignatureMVERDfG/vdJUVafwbUjO31xkbwiBz4w6ZnN2tc92/uXnfF7vodpdBFk9q30kP7vzQ1rGw1+BVJeF+ceU2kSdBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:24.768614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056880
observed 160c429b8d30017cb2213d12022f6be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.752496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056880/manifest.json
observed 9178cb34aa782c45810839f4ee0a836f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.735168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056880/publication.md
observed 18767dadfeba1c7b09d818b2e3015ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.717739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056880/publication.txt
observed a32d5d57c2a1be535ff36998d1980e0a...
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.