OpenTechnical

OT-2026-000022100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000022100) never changes.

Identity and time

Publication numberOT-2026-000022100 · never reused
Internal UUID01a0ae6f-bb5c-7529-8e78-d5b5e869710f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022100
StatusPUBLIC

Content hashes

Canonical text7c3779fa8032afa7fddd636e1ab137bd0fd953cd351bdf16f391cc92f932f161
Markdown8bcd0bdceb8896aafc8c30974398149fb088620238d84be764b2bfd94ba2b309
PDF
Publication page4a25549e2e15fa93bad035fe25adfdc072eed48a67fc66a1a867d4e5e5e6398e
Manifesta311aedfd4629cb71f634ce23f5a2046fb9fc4fb3ac74d8fa0eec6c2f2b05fad

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
Signature2Rs1fXBlcfcfI9LJ7XfMoDaljVzVUyZCXo9bBrlrH0lj7ywpSSpSKN/be5GskR+VfI9PXyI6JteWO4EjkNJ9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:48.006273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022100
observed 4a25549e2e15fa93bad035fe25adfdc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.989629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022100/manifest.json
observed a311aedfd4629cb71f634ce23f5a2046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.971858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022100/publication.md
observed 8bcd0bdceb8896aafc8c30974398149f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.953860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022100/publication.txt
observed 7c3779fa8032afa7fddd636e1ab137bd...
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.