OpenTechnical

OT-2026-000005290

Publication integrity record

Porous face vacuum gripper, common isolation valve, three outlet manifold, three stage ejector

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-2026-000005290) never changes.

Identity and time

Publication numberOT-2026-000005290 · never reused
Internal UUID01a0a934-0d56-72d8-8c1f-e7ebf1213f96 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:35.928659Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005290
StatusPUBLIC

Content hashes

Canonical text07c491e0a41e5c9cbb1656a62ea69aaeb716e23460afffb61b8fbb10cf253f5a
Markdown2b63891311dff4738526df15b3ac08d1e71d0959e65f5d8fe9a2d3aa5acee147
PDF
Publication pageaa558882aecd1c6158867631c008b1938090b901f3805a71946387a4886af846
Manifest8f698de76679f12c8aa57fcb106a53fbb4feb54be0e53e55c1c2012b8d409a52

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
SignaturehbHpvct+MyXSEOmd5LIi0YifQQPsXlFX2FSIQIuXeTZCwLx3rlvbWukLj3uP8lpmFmt+CB+GxVaMvDTohKVdDA==
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

2026-09-16T08:00:26.229206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005290
observed aa558882aecd1c6158867631c008b193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.214913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005290/manifest.json
observed 8f698de76679f12c8aa57fcb106a53fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.198897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005290/publication.md
observed 2b63891311dff4738526df15b3ac08d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.186070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005290/publication.txt
observed 07c491e0a41e5c9cbb1656a62ea69aae...
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.