OpenTechnical

OT-2026-000065421

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000065421) never changes.

Identity and time

Publication numberOT-2026-000065421 · never reused
Internal UUID01a0ae8e-46f9-74a5-9929-ab0f87bcd5ed · 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-2026-000065421
StatusPUBLIC

Content hashes

Canonical textef095c9793e6a299c5ddb0ece05d9045cd82a40898f907e96042ff61923ca6ff
Markdown8cffefb1488d9052627cc8eac396a6bd4915073d5a47c1a83bb0762541dce5ae
PDF
Publication pagebb339d95539b800648c1b7fe51e2c5984c712a55332e880211d64be14c9d8a99
Manifestf21578612b54d0318a7556eab30782331b4907972879b8f82b0eb25a880c358c

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
SignatureeUQwif9K0KzGF5bdJqbxz3Lckgxtb749qt3W4vXNV616QiLmeBiJke/RtRmviL+T+FRjD8/H5yjmP/zyG+ApAA==
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

2026-09-17T10:33:41.371709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065421
observed bb339d95539b800648c1b7fe51e2c598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.354092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065421/manifest.json
observed f21578612b54d0318a7556eab3078233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.334070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065421/publication.md
observed 8cffefb1488d9052627cc8eac396a6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:41.313733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065421/publication.txt
observed ef095c9793e6a299c5ddb0ece05d9045...
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.