OpenTechnical

OT-2026-000082782

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-2026-000082782) never changes.

Identity and time

Publication numberOT-2026-000082782 · never reused
Internal UUID01a0ae97-8cc9-75bd-b0a6-df1c231669c8 · 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-2026-000082782
StatusPUBLIC

Content hashes

Canonical textc5e629ab77aba8506e3f0471e7f3894684e1722138d32dab710424988f90c413
Markdown4c3111e2fd4498c913eb8d063ad739e3edd861a3b5e43c03c2c6c08f512a8d6e
PDF
Publication page2dbf5d8f4bb99338fcb9c00d3455aff7aa9d2aba25f6c89ebbd312069abb9081
Manifest234a0fcc44a774cc1c56eed09a2e2dc339118911a0940ccd34c30986ca2e5a7e

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
SignatureRARX2JUS3kEHVa2gTXFbDHelaeYgOWU9LIaH80R8ucXsrQcxnPRUyz8AQrAYhw0EpGGMPyMGMFFcJG0LVHn8Cg==
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

2026-09-17T09:58:22.292138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082782
observed 2dbf5d8f4bb99338fcb9c00d3455aff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.274777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082782/manifest.json
observed 234a0fcc44a774cc1c56eed09a2e2dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.256511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082782/publication.md
observed 4c3111e2fd4498c913eb8d063ad739e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.239300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082782/publication.txt
observed c5e629ab77aba8506e3f0471e7f38946...
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.