OpenTechnical

OT-2026-000005187

Publication integrity record

Porous face vacuum gripper, common isolation valve, six outlet manifold, ejector fed, contact triggered

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-2026-000005187) never changes.

Identity and time

Publication numberOT-2026-000005187 · never reused
Internal UUID01a0a930-ab4d-75a9-af27-f475996ef208 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:54.223306Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005187
StatusPUBLIC

Content hashes

Canonical text14d42ae5320be8305dac6165e0b867d1f4709a14d3135ffaa6cde957b5f1b852
Markdownd118d3210afa518cb5a699aedee3c5b9fc197ccdca324a3e2557581b43c7303d
PDF
Publication page259cf939186acbe332fe04bc1dc6e549c3897ccac2aa5768df69188b106849ac
Manifestc5fe61ba3f626a46f6acda53d397b2a42fd483dd27038114e461a8ff4a8a5cb3

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
SignatureuNPtYay80yd5v4ni7l7jyTSC5kP2QiXnZPk5LZpK7b80x21M8kOY5YxAbd4G8FitFL8zKdCKm2WRuhFu4rGhDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:05.926317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005187
observed 259cf939186acbe332fe04bc1dc6e549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.914286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005187/manifest.json
observed c5fe61ba3f626a46f6acda53d397b2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.902442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005187/publication.md
observed d118d3210afa518cb5a699aedee3c5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.887627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005187/publication.txt
observed 14d42ae5320be8305dac6165e0b867d1...
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.