OpenTechnical

OT-2026-000070218

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000070218) never changes.

Identity and time

Publication numberOT-2026-000070218 · never reused
Internal UUID01a0ae91-1862-7709-b1e8-b20a3198c60e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070218
StatusPUBLIC

Content hashes

Canonical text50e894ab4e99057fbaf82ecdcc2c673685870731dd13009392f88991e47863b4
Markdowna6f2ff6c9707756d806603f2ebc3fbfcb6a3850859d55db3e60b0a394af1b332
PDF
Publication page7a294382f8b7f79b432d54f3066aa195cefa027402d7b3deb93376c9f141a692
Manifestc4cfbe319713a97d34fc4fa77606e38d51608a8db8379b63d5ca2fb6fbeee74d

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
SignatureqzN0AN4gs+f6WrBpGpLu9WOdjhzeB4/hXmXR+YkrgywnWzPK4+lmorUTJruqZS1G62OvC1T+ksHTdBPXyQmmDg==
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

2026-09-17T10:26:30.134177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070218
observed 7a294382f8b7f79b432d54f3066aa195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.115610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070218/manifest.json
observed c4cfbe319713a97d34fc4fa77606e38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.095122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070218/publication.md
observed a6f2ff6c9707756d806603f2ebc3fbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.076934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070218/publication.txt
observed 50e894ab4e99057fbaf82ecdcc2c6736...
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.