OpenTechnical

OT-2026-000056872

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-2026-000056872) never changes.

Identity and time

Publication numberOT-2026-000056872 · never reused
Internal UUID01a0ae87-7af8-7e0f-ac05-e33c82131584 · 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-2026-000056872
StatusPUBLIC

Content hashes

Canonical text5c483c2edc501df4b54b6de19e80759ea64457d0b35895d10ae308b20d0fc5d2
Markdown614f86f27ffe3a77a23c0d1a86840d49d0ae20f6d7b69bd7ff32e70821ae46f3
PDF
Publication page8c4db1714ed952a81c1cad56e465d0935598e541b8f014ff3c6a8b20a679a07d
Manifest46e5958659f39929b97985d9bfc2334dfa046137d1eab69c1e1b7f4fb0376cb8

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
SignatureYFHpA/7LxET0QhTICAPpETcb281nWsaCtbpq3nk37S9h3Z8zL3vnNNecY586+JyhGoGXBeT+VpngAf7ztC+8Ag==
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

2026-09-17T10:50:24.101921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056872
observed 8c4db1714ed952a81c1cad56e465d093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.076014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056872/manifest.json
observed 46e5958659f39929b97985d9bfc2334d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.059837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056872/publication.md
observed 614f86f27ffe3a77a23c0d1a86840d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.040178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056872/publication.txt
observed 5c483c2edc501df4b54b6de19e80759e...
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.