OpenTechnical

OT-2026-000055196

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000055196) never changes.

Identity and time

Publication numberOT-2026-000055196 · never reused
Internal UUID01a0ae86-a0fe-78a0-8d75-74ac701218bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055196
StatusPUBLIC

Content hashes

Canonical textfdd77427ed0b1ec11e7c6b76001e07dd7ecd2e0eac4c5fa3708bf87e0df3eb85
Markdown9baddf9e036aac9b6b5b47d4b290aa4557c95434a694e9d967dbf3ec150ca491
PDF
Publication page942b5534f59ce24546fa68a26db2cb8af49569ff670ddf01366e97a984f32f24
Manifest30717901ddff3598e0012e54749c8431a1191bec498fe8c60a17c17f773a610c

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
SignatureYVt1ziNy5TsNnQbj6hKSpOoANcV1jxYckyLLM+WoPVPXvTMQWAgRNDXDx6lOWFNyh0cVqKCGgqBp+eVwWGMxDA==
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

2026-09-17T10:51:46.233309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055196
observed 942b5534f59ce24546fa68a26db2cb8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.215907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055196/manifest.json
observed 30717901ddff3598e0012e54749c8431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.198733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055196/publication.md
observed 9baddf9e036aac9b6b5b47d4b290aa45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.181535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055196/publication.txt
observed fdd77427ed0b1ec11e7c6b76001e07dd...
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.