OpenTechnical

OT-2026-000060557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000060557) never changes.

Identity and time

Publication numberOT-2026-000060557 · never reused
Internal UUID01a0ae8a-b7cc-717e-90d2-2eefc9f61bb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060557
StatusPUBLIC

Content hashes

Canonical text682f6fe0986a15723379a8d359620feabe65ea15fb32bd81fa73b5b922d33a1e
Markdown6f09b0d04d706a8ce790c9cb1e78af6ab6620689697a82c91d5880352d38f8f7
PDF
Publication page12820771d526f70776c8b4f0283f2d3d22911837853dff5c38dd0716eeebdbcf
Manifest890c07960c1eb223a00762f644c89f535585b17ace4b240c9faa7d4d23bf0696

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
SignatureBCIOr6ImZrl4CUnBbbkSZ+7+vP9SfCRSJDcLLXFLRF0RGkJWP9l1uqdDRjy+yqWqfPbIrXMi5z9HT/nGrDBNDQ==
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

2026-09-17T10:43:10.249537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060557
observed 12820771d526f70776c8b4f0283f2d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.232351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060557/manifest.json
observed 890c07960c1eb223a00762f644c89f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.213493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060557/publication.md
observed 6f09b0d04d706a8ce790c9cb1e78af6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.194393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060557/publication.txt
observed 682f6fe0986a15723379a8d359620fea...
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.