OpenTechnical

OT-2026-000089997

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089997) never changes.

Identity and time

Publication numberOT-2026-000089997 · never reused
Internal UUID01a0ae9c-428e-7f79-aab1-b0aa436f84a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089997
StatusPUBLIC

Content hashes

Canonical text1b05e05638cdfebd2d73dbe62877b3758ae51b319da542b2ae2dfe8eef993da6
Markdown8df7c1b45707e57fbf4ce467407098d4e096c50081472cff54b01ce279fc44f3
PDF
Publication pageda6afa531a746f3a5c63a6a02351e6be1a9e747dc221e8a39937526f42cd8729
Manifest887c2c3128a722890e8f653889fb713c27de5fbb030fcddcf9d857d2c8c07ae4

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
SignaturesKRTpE2nJzRgHHxau8ITJqnr0Sq+Y2z5aTp1kYryw/CSXg7iF/VJYdZidAQGcW2vJFrqSz+ZB27SEg4NleJuBA==
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

2026-09-17T09:45:23.285025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089997
observed da6afa531a746f3a5c63a6a02351e6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.267875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089997/manifest.json
observed 887c2c3128a722890e8f653889fb713c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.251412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089997/publication.md
observed 8df7c1b45707e57fbf4ce467407098d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.233510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089997/publication.txt
observed 1b05e05638cdfebd2d73dbe62877b375...
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.