OpenTechnical

OT-2026-000070212

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-2026-000070212) never changes.

Identity and time

Publication numberOT-2026-000070212 · never reused
Internal UUID01a0ae91-1862-7546-a732-a0d4cd58afa2 · 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-2026-000070212
StatusPUBLIC

Content hashes

Canonical text6b0fcca1b731d17faab1d7ee010fa416ef4ab412b6b3846879f2585d0f37efbc
Markdown224c9e30c792eba5da9bcd5d7da3356dae512d65f1c023f4e3bdb60898feef1b
PDF
Publication page633bd563cf79aba6f9b6feb73f770f59b621875bd088395120cfa0962d35de17
Manifest648976b5eee07b5d38e8c12cb24519200ae0e17438836fc09b8ba7f722669aa8

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
SignatureP03Q69snAkBV97+MLw+h9AYZ6S/WCelQdNH09c0RjOhz+jX3nQd+CDTx4bFK3/v6Xai16dcOKDYpAau/HoH0CA==
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

2026-09-17T10:26:30.055411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070212
observed 633bd563cf79aba6f9b6feb73f770f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.033781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070212/manifest.json
observed 648976b5eee07b5d38e8c12cb2451920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.015223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070212/publication.md
observed 224c9e30c792eba5da9bcd5d7da3356d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.996257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070212/publication.txt
observed 6b0fcca1b731d17faab1d7ee010fa416...
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.