OpenTechnical

OT-2026-000056258

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000056258) never changes.

Identity and time

Publication numberOT-2026-000056258 · never reused
Internal UUID01a0ae87-4bd1-7877-a1e1-11e84a32c80c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056258
StatusPUBLIC

Content hashes

Canonical text8638eae302647084f364e9347b49c4c2c2018fd8185f1021f0146fd6229050a1
Markdowne447fd3b8151aad68d6c52b7c8588526d58ac1137b2a7ce0cb50ebf0e29d2d3c
PDF
Publication page5755f359659f3001b56365f5f8712adc4afe3fe318d294547551e6f3a98599ef
Manifest3d549dfd7f62f737ca7a39e8277ff1155b73e03d0deb7e05605eb69cadb69de0

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
SignaturehSNLCyMIHe/9J6gngT1BPAbkW7Du40fuVW+MhwfW6nl7Q9AyDYQOMI5zXZmI5EIefVS3UWEc5lk8NpzI4BHtDA==
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

2026-09-17T10:50:44.505142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056258
observed 5755f359659f3001b56365f5f8712adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.489153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056258/manifest.json
observed 3d549dfd7f62f737ca7a39e8277ff115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.471154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056258/publication.md
observed e447fd3b8151aad68d6c52b7c8588526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.453555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056258/publication.txt
observed 8638eae302647084f364e9347b49c4c2...
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.