OpenTechnical

OT-2026-000026985

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000026985) never changes.

Identity and time

Publication numberOT-2026-000026985 · never reused
Internal UUID01a0ae72-3453-7a1c-b5c3-10293336aa67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026985
StatusPUBLIC

Content hashes

Canonical text5ae7d7f0ba78767613e52275314e759ccc779b9a43925c24028b4419d56e89cb
Markdown25460e298ae9b47ebdef5cc511c723295dc7f8a4f0a48ba018f0c8a1c89e3737
PDF
Publication page16a41ba381f3eb352ddbd92b80c3806fee7f99d15829335743a9f4bfbfe09ead
Manifestcbd99cc793c60ca509ff5336e020bf04c2eb9def574aedb9d0b97cc4ccb074ba

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
SignaturetQ04qRpxhGwhq0F1jUS3UQYIWH3eo2oC3cNw2ZxEhD/r8m91LQDMNMVetL599KApZboqoknG2msZ2IUXT1UvDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:36.730240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026985
observed 16a41ba381f3eb352ddbd92b80c3806f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.714814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026985/manifest.json
observed cbd99cc793c60ca509ff5336e020bf04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.697422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026985/publication.md
observed 25460e298ae9b47ebdef5cc511c72329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.679766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026985/publication.txt
observed 5ae7d7f0ba78767613e52275314e759c...
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.