OpenTechnical

OT-2026-000054908

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000054908) never changes.

Identity and time

Publication numberOT-2026-000054908 · never reused
Internal UUID01a0ae86-1286-76a4-a67c-1024c79760f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054908
StatusPUBLIC

Content hashes

Canonical text745d0c2f0d8e018745bec72eade7d47f44dfdfa532b7500d2470c527b773a5eb
Markdown124c4abb06902f66afe2ecacf1a2d01dcc729977f86943012946959112e2fb2d
PDF
Publication page639f33bfbee1786eb7f49e8b31d8c41bf9eeca88687afec56a037a1c7d824de0
Manifestff35be978ec4506b1c5c10d750f96f6f47d8d7d8c250019d538f26ca78e6bc93

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
SignatureVkz5O4M0dMQ/TShh0QHUBcInOUVfETfWkt9Pck4yX1iSR9u/tLvFcJgWB3JkBC6vwUNzqT7wuAHfCtVS3mhuDA==
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

2026-09-17T10:54:08.383470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054908
observed 639f33bfbee1786eb7f49e8b31d8c41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.367774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054908/manifest.json
observed ff35be978ec4506b1c5c10d750f96f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.350438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054908/publication.md
observed 124c4abb06902f66afe2ecacf1a2d01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.333336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054908/publication.txt
observed 745d0c2f0d8e018745bec72eade7d47f...
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.