OpenTechnical

OT-2026-000065719

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000065719) never changes.

Identity and time

Publication numberOT-2026-000065719 · never reused
Internal UUID01a0ae8e-46fb-71e1-a3a4-5a7996cffbf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065719
StatusPUBLIC

Content hashes

Canonical texta21a8bc41392379490fde4a412b707788a76cf68a20ff3caa2056c1bbb237c44
Markdownd8147a059795b619d93acb40cd2c85565255772669ad8ae1c6ac28a5875e03a7
PDF
Publication pagecb787ff1950594a65bde826967bd31f6747641c500af85abd87fd7bb15660631
Manifestbbbbd80dd2b70cd7f9c47b5e6fd116687ac128ee65a52f21152a30af3e591857

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
SignaturesBfysXo29RzdM/YzqJclkSny+vZBenlJS7Q5vThieCjGqGeU8XP8Zd+w8hOlFiIqvtDVN26MBZV/Z/xk9ooeCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:08.394325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065719
observed cb787ff1950594a65bde826967bd31f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.375481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065719/manifest.json
observed bbbbd80dd2b70cd7f9c47b5e6fd11668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.357415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065719/publication.md
observed d8147a059795b619d93acb40cd2c8556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:08.338036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065719/publication.txt
observed a21a8bc41392379490fde4a412b70778...
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.