OpenTechnical

OT-2026-000061255

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000061255) never changes.

Identity and time

Publication numberOT-2026-000061255 · never reused
Internal UUID01a0ae8b-1382-7322-b18a-28cf5d5c2af9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061255
StatusPUBLIC

Content hashes

Canonical textb5942b0714603ace1d004e995ed2df7eea3c5dcc850cdee4b0410b0ebd7b514c
Markdownf07935055b9c52a93284ef878cbe1553d13564611cff8921fa1e159e63ac279a
PDF
Publication page984aad5bbf3d3eceaceb2656814299dd7881fb4ec85b3bf9f66a39bc71690b2a
Manifestfb2b4f4c219c46758bb3856c56fb86a8f2035afb9a552bba0a14822c401c109a

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
SignatureSGC3/GOgG9NV5TVX1ODcFpOpYLolFIOYZAzcfFosIa6R2FnF/VIFy9vqS/UygiMahxV4L5EyJujRWA0yUaKBBw==
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...

Independent retrieval

2026-09-17T10:42:40.304521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061255
observed 984aad5bbf3d3eceaceb2656814299dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.287804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061255/manifest.json
observed fb2b4f4c219c46758bb3856c56fb86a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.269139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061255/publication.md
observed f07935055b9c52a93284ef878cbe1553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.250635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061255/publication.txt
observed b5942b0714603ace1d004e995ed2df7e...
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.