OpenTechnical

OT-2026-000082776

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000082776) never changes.

Identity and time

Publication numberOT-2026-000082776 · never reused
Internal UUID01a0ae97-8cc9-7da5-a132-ce758bdb1bc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082776
StatusPUBLIC

Content hashes

Canonical textd1494e3f165b5cd0ecef5f5f73eef128fc2a08c6b3b3ca2737f76e10742a160f
Markdown6e82db928fe388f8319a5af4f957280f4e4c3b6ba95832270d8dd55efacdadc7
PDF
Publication page833bb0388566fd6362300f7ac409e6391e6b36c0f8fad02d098883d5802acaa3
Manifest7826e10109f8f4052c703970e0ac7869ce9d619df5b0203b1ff11098f1d2066e

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
Signature4YSgyFYOeYbIC4iEguDRDxvuzKJ6LaLJwxhvLrmtIZmXfgvomq/z7yw7MqyGWccFAYKkmN2znblhC+fHatExDg==
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

2026-09-17T09:58:21.840625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082776
observed 833bb0388566fd6362300f7ac409e639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.823214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082776/manifest.json
observed 7826e10109f8f4052c703970e0ac7869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.804756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082776/publication.md
observed 6e82db928fe388f8319a5af4f957280f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.785902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082776/publication.txt
observed d1494e3f165b5cd0ecef5f5f73eef128...
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.