OpenTechnical

OT-2026-000039848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000039848) never changes.

Identity and time

Publication numberOT-2026-000039848 · never reused
Internal UUID01a0ae78-d8d6-7458-9fe7-ce6d573d4fdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039848
StatusPUBLIC

Content hashes

Canonical text4dd2cea9f65e1144b09ec78a3f462cf402485febcd19980d0ac56e84698bb702
Markdowndedbddc04e4545fb7dc0854eeae80a0319c15fe81a593aaeeb0f48a4e8ab3dac
PDF
Publication page61d235a98913b179b0f8ae79c6cca194f22260c29aee440a5fbe42c7b21ffe3d
Manifest4df3f8e74835e5c33a8be82bfc1b688dca830d9fda76b2c09980b15279ac0bc4

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
SignatureQezD4PfL97OLVrT9gad04eiytm2dnonyZhqwcocfszBsr5Ln4L7XEZTpKYe1KSZXetDGBGGmySjQ13QEzKBwBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:05.758564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039848
observed 61d235a98913b179b0f8ae79c6cca194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.742484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039848/manifest.json
observed 4df3f8e74835e5c33a8be82bfc1b688d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.724778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039848/publication.md
observed dedbddc04e4545fb7dc0854eeae80a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.706744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039848/publication.txt
observed 4dd2cea9f65e1144b09ec78a3f462cf4...
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.