OpenTechnical

OT-2026-000055112

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000055112) never changes.

Identity and time

Publication numberOT-2026-000055112 · never reused
Internal UUID01a0ae86-5e82-71d7-b4d2-89220c043e67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055112
StatusPUBLIC

Content hashes

Canonical textc6e1841eec760281db9dc4f39e5d4bacc7a9d92e012a09bb20d73f1aaae9f890
Markdown1130ef1f2e905133dc8d8ddb1bae72905687bde78aa27107ef00c0863872b0f3
PDF
Publication pageb5e7b2bbeccb3dee7a267a0829362f81e3ef2d10fc15e208c9ca6f03e95e89c2
Manifest4eee2642cb9e49e20378e394d360b973ece9f1860f299b7d8284204b87ceeeb0

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
SignatureI+ryKkIR2KQgs0+t9n5l4OA6eT/Y9ggJVnjpOWbVv2+T4Y1bUhqztdY6gyXY5yiGIajMZSEMnVlQDa78oLDZDw==
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

2026-09-17T10:53:16.536833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055112
observed b5e7b2bbeccb3dee7a267a0829362f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.519142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055112/manifest.json
observed 4eee2642cb9e49e20378e394d360b973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.499783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055112/publication.md
observed 1130ef1f2e905133dc8d8ddb1bae7290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.479936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055112/publication.txt
observed c6e1841eec760281db9dc4f39e5d4bac...
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.