OpenTechnical

OT-2026-000031349

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000031349) never changes.

Identity and time

Publication numberOT-2026-000031349 · never reused
Internal UUID01a0ae74-87ac-716d-af45-18b5186e8f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031349
StatusPUBLIC

Content hashes

Canonical text331743e3a975eda89b4d65c593f6f1b0aab24fbeaeabd6e1a11aa32a2e2c26c5
Markdown710acf9931cb00356d1f530e09e92ce4133dfad8e02a687bd45032a4d5756e2a
PDF
Publication pageaae8384804df588b79dec1367e4c47ac007e6e5c99f10b06d597b1c8aeb25760
Manifestf8e052cc5338470e7f1d7655e79ce6158bd7375a9e6661a8cb7bf4c3de299012

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
SignaturelDuI+as3x39ygxxLGHhn70AKLDjzqcUVQls11imkwptcVVtj10bcWuTGAxDpeol83ElPPnA98O7Rggoo2KPNAw==
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

2026-09-17T11:36:02.880542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031349
observed aae8384804df588b79dec1367e4c47ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.861770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031349/manifest.json
observed f8e052cc5338470e7f1d7655e79ce615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.843938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031349/publication.md
observed 710acf9931cb00356d1f530e09e92ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.825177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031349/publication.txt
observed 331743e3a975eda89b4d65c593f6f1b0...
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.