OpenTechnical

OT-2026-000049159

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049159) never changes.

Identity and time

Publication numberOT-2026-000049159 · never reused
Internal UUID01a0ae81-134e-76bd-afda-49562a622402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049159
StatusPUBLIC

Content hashes

Canonical text6caf33379a2c8cf0a767276b091237f077279fb9d2d0d0d72607314994f9c709
Markdown42ed29b45cd08a577d6f1b7b2bb6b3340cdf233bc051f098704ee363c169ec1c
PDF
Publication page502f1c84b949226f3e50b33d1b1bf096ce29097d62e314f3c98c4934357c9b19
Manifesteccfb91156046c6f5b02ac1857be8244e833280b2112011310f4b588e3a44c26

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
Signatureqggx5lwb5GgDgSQ1c/jaJTxDtjdVVm+/FO9YZpNXFobyv/XKxETIq0KOMvqFvAyESfl4xsGzm2cGTbQ7zDwNCQ==
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

2026-09-17T11:03:57.298207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049159
observed 502f1c84b949226f3e50b33d1b1bf096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.280834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049159/manifest.json
observed eccfb91156046c6f5b02ac1857be8244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.262882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049159/publication.md
observed 42ed29b45cd08a577d6f1b7b2bb6b334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.243324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049159/publication.txt
observed 6caf33379a2c8cf0a767276b091237f0...
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.