OpenTechnical

OT-2026-000060271

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000060271) never changes.

Identity and time

Publication numberOT-2026-000060271 · never reused
Internal UUID01a0ae8a-5a74-727b-8571-52636468dfc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060271
StatusPUBLIC

Content hashes

Canonical textbea10642b214410674573914e69b8714e95a937a80a41c83102805d0c760eced
Markdownb2de600e6a2b5afda127582e73eb6e51b5956eac005abb91b4de72e9d0a5e21b
PDF
Publication page01e50128fcc60a40c1abcfd4ab32cabbfc15c2ba21cd0c72ca9bf4ebf0b7459f
Manifest9b2dc5d38817e01733d71b1d49cf25b4373366652d7c9fa2c185f8180dfdb577

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
SignatureuYV73Xb51AScqA0dijhfbmFuOFLnBsWbj+SqYrmTEyr8G/5G+4nix1dxl8qSW6Sz8YZ7scDQarJ+23KPvlZ3DQ==
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

2026-09-17T10:43:58.323472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060271
observed 01e50128fcc60a40c1abcfd4ab32cabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.306000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060271/manifest.json
observed 9b2dc5d38817e01733d71b1d49cf25b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.287709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060271/publication.md
observed b2de600e6a2b5afda127582e73eb6e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.269775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060271/publication.txt
observed bea10642b214410674573914e69b8714...
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.