OpenTechnical

OT-2026-000061089

Publication integrity record

Six cup 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-2026-000061089) never changes.

Identity and time

Publication numberOT-2026-000061089 · never reused
Internal UUID01a0ae8b-137d-7f1b-afdf-6a5006234a70 · 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-2026-000061089
StatusPUBLIC

Content hashes

Canonical text3c664738b8c542163cc72d60cf28ad31f133ac54372f1f75a6efdab6c83b6230
Markdownde2e177b2d705312062d2aa68495d595c06da518dc23f3c1e5fe2d41f2c993b9
PDF
Publication page9756be8954b95512fb4916eb9fe5390242d895d66bf65be6a4a00e9b32ed8625
Manifest7591dc462640280caa96899c12735262e473c27c6b5f2f19b942715007aef9a5

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
SignaturelUuogXvMZ+l33mv9xFEKfZ1rvu/kDflsYeIO5qjwdsr29WOuKXE7PpIiUKleVAqUVRs3qtz1z0+t3sOkyfhhBg==
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

2026-09-17T10:42:27.289021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061089
observed 9756be8954b95512fb4916eb9fe53902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.270770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061089/manifest.json
observed 7591dc462640280caa96899c12735262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.247871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061089/publication.md
observed de2e177b2d705312062d2aa68495d595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.228489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061089/publication.txt
observed 3c664738b8c542163cc72d60cf28ad31...
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.