OpenTechnical

OT-2026-000061818

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, vented after 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-2026-000061818) never changes.

Identity and time

Publication numberOT-2026-000061818 · never reused
Internal UUID01a0ae8b-b8ac-7203-91f6-cd684ab24242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061818
StatusPUBLIC

Content hashes

Canonical text39344fa787c22380ae805f5a71a8c8d7b004f222645909d8da4b5d1728b37c08
Markdown736c0c7c2c55a5e3c542505374f09f66e233639da257073238ccef031c662c3a
PDF
Publication page9db63f090909672446efb2d2343357fb68c41037e227ab0e7b95a9bbd294140d
Manifest6e6831a9ceae06088b66c697a60bb6c7e4a1706ae768b7b795a856699a95108f

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
SignatureoByEPv1MdGf/XpOQVftJJE/kY+Bb9riCaJVogEai8Hpsleb1xTP+jO/bMrJ+fEC57GXiVLumy7/XDso+zYCtDw==
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

2026-09-17T10:40:33.055382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061818
observed 9db63f090909672446efb2d2343357fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.035651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061818/manifest.json
observed 6e6831a9ceae06088b66c697a60bb6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.007201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061818/publication.md
observed 736c0c7c2c55a5e3c542505374f09f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.984903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061818/publication.txt
observed 39344fa787c22380ae805f5a71a8c8d7...
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.