OpenTechnical

OT-2026-000054817

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000054817) never changes.

Identity and time

Publication numberOT-2026-000054817 · never reused
Internal UUID01a0ae86-1285-7d73-8f94-60ae7a77cb2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054817
StatusPUBLIC

Content hashes

Canonical text7d473d206fe56e0974dfc4fa6db6da62419145d24828b4d0215d865648959160
Markdownc6d261ab0cb7412eb02e0d7eaa101bebfb5eee84e983c425a5ea331ae3b17881
PDF
Publication page842c34a70dfbc29c30ca1517a54a657211a64031664661757f0adbe334e1fe14
Manifestde3f23b8477310af608c97ba8f3ffe22ad2a8cadba7a27b9bb41f1d7586b630c

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
SignatureA+H77yKuMYgjTMPizjay4UaUiXW+Yb8lSmR7SNwDNQqUOC225QzCNo7Ijy4icgUxNgXs9/TXcMX05LUAJJJPDA==
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

2026-09-17T10:54:01.405419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054817
observed 842c34a70dfbc29c30ca1517a54a6572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.388199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054817/manifest.json
observed de3f23b8477310af608c97ba8f3ffe22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.370125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054817/publication.md
observed c6d261ab0cb7412eb02e0d7eaa101beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.353486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054817/publication.txt
observed 7d473d206fe56e0974dfc4fa6db6da62...
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.