OpenTechnical

OT-2026-000053758

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000053758) never changes.

Identity and time

Publication numberOT-2026-000053758 · never reused
Internal UUID01a0ae85-735d-7470-adaa-2f5780acd9a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053758
StatusPUBLIC

Content hashes

Canonical text608a12252b265c952343ae32e332def50183e3b5632c89fc86c9526762b9ab7b
Markdowna438fe33a667afbcdafbe5bd94d5a7e5f34da376f3faf8a02d2d3db74ab3a1ff
PDF
Publication page6acb1176caac86275608225412fb94fa61cdeb392324c7cc83067160613b53e8
Manifest1747de278ddfea9775809e24a9e2922499b0a76d7fc4556579a11a1c10376429

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
SignatureaI5YEeSkMLtZpy6d1acEV99Na49Kq7KJw4GevOgjg9iqB26q1//HK9jFEo0I14nUJzOCtHi5kee7wCRc3SWCCQ==
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

2026-09-17T08:40:21.013550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053758
observed 6acb1176caac86275608225412fb94fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.993314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053758/manifest.json
observed 1747de278ddfea9775809e24a9e29224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.972673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053758/publication.md
observed a438fe33a667afbcdafbe5bd94d5a7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.828620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053758/publication.txt
observed 608a12252b265c952343ae32e332def5...
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.