OpenTechnical

OT-2026-000053934

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000053934) never changes.

Identity and time

Publication numberOT-2026-000053934 · never reused
Internal UUID01a0ae85-b3a6-7f59-b0f4-1588549cd8b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053934
StatusPUBLIC

Content hashes

Canonical text4f5bafe8377739c2314f25a32c3da1245e100f1ed1cb575fa8c742323421fbf2
Markdown39d8cbe68b697a57088496ac83dc343c934d5d971dbc89578e9f26547d6a75e1
PDF
Publication page75c49d335d26a8ee933053978585d559637189c0bb6f3c94a4cd183738eb790d
Manifest7e442ad2c0fe3658ad2b4e3777b4bec337d4d15e679ffc3ece6e29c286db31db

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
SignatureQSsBtVVra3tKd7dYfXWt2t4pX8Z+/MFt/EUPhVX5Xixnewh1E2m/e5NSWnN5MVd5flxfsmWFAb9jF1lBvhb2AQ==
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

2026-09-17T10:54:10.714140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053934
observed 75c49d335d26a8ee933053978585d559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.695836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053934/manifest.json
observed 7e442ad2c0fe3658ad2b4e3777b4bec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.679043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053934/publication.md
observed 39d8cbe68b697a57088496ac83dc343c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.657153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053934/publication.txt
observed 4f5bafe8377739c2314f25a32c3da124...
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.