OpenTechnical

OT-2026-000021088

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000021088) never changes.

Identity and time

Publication numberOT-2026-000021088 · never reused
Internal UUID01a0ae6f-65e5-79b7-a4ec-0d5535ffd147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021088
StatusPUBLIC

Content hashes

Canonical texta9637913ad81bec7b8fe03583a8b4e03a2b27c001df6c0465de56f0a80bc2bfa
Markdown1cff4d78e395af77b9029f13021d57f700278c98f46caa42f6224b47a4387cf6
PDF
Publication page5010fc31b5fef63fb4633560ee06cc7711abaf204560b7a700ea2df3e964e784
Manifest666630f4d779532e89ed5c8ec3548d43f796b6e1a8ed281bc8bb1348c4db3d93

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
SignaturejEhJQ4Hl0YV7EH0VaDnZ+B149YnoX6VhgaC1Qlm/g6umPpp5FnZtyESuAcZBNxYjWx4zjAFHE+Cc0rUpAwRkBA==
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

2026-09-17T11:56:22.532671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021088
observed 5010fc31b5fef63fb4633560ee06cc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.443542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021088/manifest.json
observed 666630f4d779532e89ed5c8ec3548d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.423230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021088/publication.md
observed 1cff4d78e395af77b9029f13021d57f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.403413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021088/publication.txt
observed a9637913ad81bec7b8fe03583a8b4e03...
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.