OpenTechnical

OT-2026-000054194

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000054194) never changes.

Identity and time

Publication numberOT-2026-000054194 · never reused
Internal UUID01a0ae85-b3a8-7eda-8bc4-76b50af982bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054194
StatusPUBLIC

Content hashes

Canonical textcd3890c8844b3a5fe2ae40e22944c77a969f9455bca3315e87147b516e88a43c
Markdown6f41e8be83a9bbc9bd43eacbabe60d4ebefa818aeb54eeb97cc2586f218d88b5
PDF
Publication page06007261595695ebbf3bf25d38b5aa7993f794b620156ce811f0de178995967a
Manifest88a1f814f8a24188aecd36e1ffb9322b267bdab38253884dd7e81ee88c0fb040

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
Signature8Mmkad/94FaETBJGjXh9s+5w3qqkQDV/jfRWddouHSJ4mBMklQMtS8JDHS1AghJ6iWtIZXxbPqV9WYbMshEfBA==
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

2026-09-17T10:56:27.519734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054194
observed 06007261595695ebbf3bf25d38b5aa79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.502344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054194/manifest.json
observed 88a1f814f8a24188aecd36e1ffb9322b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.482407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054194/publication.md
observed 6f41e8be83a9bbc9bd43eacbabe60d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.463011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054194/publication.txt
observed cd3890c8844b3a5fe2ae40e22944c77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.949229ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054194
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.924564ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054194/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.909089ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054194/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.884285ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054194/publication.txt
observed ...
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.