OpenTechnical

OT-2026-000103320

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000103320) never changes.

Identity and time

Publication numberOT-2026-000103320 · never reused
Internal UUID01a0aea4-be3f-7a5e-ad91-d9ccbe6e027b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103320
StatusPUBLIC

Content hashes

Canonical text9b1d44f0009f5cbbc56c3703a1f01eea3c31190e9cd25fd2f25171577be18e39
Markdown626fead368aa5e71d6a2fd21b7d4ed0593a1106767a016490e437d3b8cc91417
PDF
Publication page7ef6256216e0755af0edcf27b72ceab33e2f7bd26c637277aecb28ab28dd41e8
Manifest7b2200d6ab34577b5cb2204895c5a6120537c565ee0cf377a62e77d2370f7068

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
SignaturerOUIQBa7lTHm5TyzeOtm+HJT+60Z018FAoQ6mM+vTGJjndf2r40PcRN5Kl0pZz6pZrOY8R7JKPiHKLYMBz/BDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:34.286645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103320
observed 7ef6256216e0755af0edcf27b72ceab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.267981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103320/manifest.json
observed 7b2200d6ab34577b5cb2204895c5a612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.247906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103320/publication.md
observed 626fead368aa5e71d6a2fd21b7d4ed05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.227908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103320/publication.txt
observed 9b1d44f0009f5cbbc56c3703a1f01eea...
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.