OpenTechnical

OT-2026-000054633

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000054633) never changes.

Identity and time

Publication numberOT-2026-000054633 · never reused
Internal UUID01a0ae86-1284-72a3-84da-574a433c2fb6 · 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-2026-000054633
StatusPUBLIC

Content hashes

Canonical text4c95f7a43cbe600098483d1597938ff4461db1eb18edeb7387f132fddc264d11
Markdownfea039a0fb4ce956cd52be59f030c34c5cc3f87d74258ec1c508ff541a7b4638
PDF
Publication page7926af75e54003d52699ea36fdfaa75668dc092cad62e2f9ae14ed5b5ec4c004
Manifest3b1d37ef996f285795a69174da7d9dc20fc37e652c0093501fb7c572c81bdf60

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
SignatureTVz8THzCQHcLfT/Bqr4D8qiNwWLROBNIHo+Y+WvHX0Alova9QbUapD0Lhc69xTHwh7OdDBsNV1DABct4Pg2gCQ==
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

2026-09-17T10:53:41.797200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054633
observed 7926af75e54003d52699ea36fdfaa756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.779090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054633/manifest.json
observed 3b1d37ef996f285795a69174da7d9dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.761810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054633/publication.md
observed fea039a0fb4ce956cd52be59f030c34c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.746235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054633/publication.txt
observed 4c95f7a43cbe600098483d1597938ff4...
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.