OpenTechnical

OT-2026-000079506

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000079506) never changes.

Identity and time

Publication numberOT-2026-000079506 · never reused
Internal UUID01a0ae96-0b91-78e8-a5a1-b488b98e532c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079506
StatusPUBLIC

Content hashes

Canonical text4995c5ad2aa4df168bf31d12e24218d71bdb9cdf8865261fbb8fc2531d05d910
Markdownc64a551ca6db4fec34ad3c480ed1002126cc609f2170eacab141aeaa80188d0e
PDF
Publication pagef795f79b659996ea2c4b71195a36bcd9702ce861198f49d199b7e7bb8f1a9df8
Manifest670c73fdf703eb14016f34711e536500a0b0c41a311807e4853a342dc6b24185

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
Signatureuo4rgy58UaucMKc4eHDk4OF3Jw1k14FRRKSabYwQDobKI49BWSoV4Dr9jsoAvXSA3DnUkmog6E4FFkGemuULAA==
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

2026-09-17T10:05:08.713961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079506
observed f795f79b659996ea2c4b71195a36bcd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:08.695936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079506/manifest.json
observed 670c73fdf703eb14016f34711e536500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:08.677042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079506/publication.md
observed c64a551ca6db4fec34ad3c480ed10021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:08.658068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079506/publication.txt
observed 4995c5ad2aa4df168bf31d12e24218d7...
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.