OpenTechnical

OT-2026-000056641

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000056641) never changes.

Identity and time

Publication numberOT-2026-000056641 · never reused
Internal UUID01a0ae87-7af6-7b1c-b3ec-0a7cd19614f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056641
StatusPUBLIC

Content hashes

Canonical text28bd3f0dfab81cab90868a4ad9971d00ead52d58daceeb58e132575d371b10e1
Markdownddfb910c12a63e2f2e59fe857294391b527ed2d26002e66e2b4ae38312116c06
PDF
Publication page18160ab7fa1a628f60970e4971e8a279f093fc4c8619c2d5656520d333ec379e
Manifest6a3507e01c2cb8ed3ad8a3a6d400f12a0f51aa2b529b070bef716997c1734991

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
SignatureYrdNFClU7Be8BbAx7/c+UTcej9C8RSa1VVFbUHqWz5qG2PSfzwAetGlLTTJkw6Mlm7AGDeuS0ORrJ0Abwy3gDA==
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

2026-09-17T10:50:00.114681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056641
observed 18160ab7fa1a628f60970e4971e8a279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.097183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056641/manifest.json
observed 6a3507e01c2cb8ed3ad8a3a6d400f12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.079545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056641/publication.md
observed ddfb910c12a63e2f2e59fe857294391b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.060019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056641/publication.txt
observed 28bd3f0dfab81cab90868a4ad9971d00...
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.