OpenTechnical

OT-2026-000058494

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three 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-2026-000058494) never changes.

Identity and time

Publication numberOT-2026-000058494 · never reused
Internal UUID01a0ae88-f39b-7894-846e-52d8e9591cfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058494
StatusPUBLIC

Content hashes

Canonical text896cbfb88b86d10b3c9b775f9a4b4e5da930c2832fc959057bacb9af8eb02f26
Markdown5721f49f4e3bed2d8358ebd5d3db29c64f2aaf09e150d505e344261d59764579
PDF
Publication page3201ad2990f60b010bcc3f10257c9c835706ccab9a4cd526ac98a4fc81816583
Manifestfa4c29d5b9d61a8882e323c1a9b16e8bd1e9d65a9c50fc9ad146c191bcaeed8a

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
SignatureZxHK2nBTOrLQKvBQ9kFwozK9ROzDCSaeK9KmsP82N4A2DSsWxm3L+azStJf/ycs0qqqBfCc/EBRERHRI5FhlBw==
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...

Independent retrieval

2026-09-17T10:46:57.146159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058494
observed 3201ad2990f60b010bcc3f10257c9c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.127774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058494/manifest.json
observed fa4c29d5b9d61a8882e323c1a9b16e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.109961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058494/publication.md
observed 5721f49f4e3bed2d8358ebd5d3db29c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.092832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058494/publication.txt
observed 896cbfb88b86d10b3c9b775f9a4b4e5d...
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.