OpenTechnical

OT-2026-000053678

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000053678) never changes.

Identity and time

Publication numberOT-2026-000053678 · never reused
Internal UUID01a0ae85-0a96-7845-97c5-edc9461e632f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053678
StatusPUBLIC

Content hashes

Canonical text4ae88e474a36a8c029c14af896259e3b798650351fa149573f1b5ebd96888d45
Markdown018c1f3e845461df41bc070d19ff420bc2009a2c96a0a5eea35c58384bc21e20
PDF
Publication page65e764b51967d21828f7550ee233eb756698f86312866b1d672ea4e3a3f59ad1
Manifestcb7c1ffb7f5dfb89e3c367f1cb8f2aabf9b72c1abb47fbbaee3b99f7b6d81887

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
SignatureDs5g57gEtr7eMzVt6cBDhh+1WlEWaszfoMD3O4mg2Y0Z5GlzT4WQZYbqP4kOGad9BQk2q6+2UQnlB9nZ+PNuBQ==
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

2026-09-17T10:55:34.445723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053678
observed 65e764b51967d21828f7550ee233eb75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.428949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053678/manifest.json
observed cb7c1ffb7f5dfb89e3c367f1cb8f2aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.409755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053678/publication.md
observed 018c1f3e845461df41bc070d19ff420b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.391407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053678/publication.txt
observed 4ae88e474a36a8c029c14af896259e3b...
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.