OpenTechnical

OT-2026-000081518

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000081518) never changes.

Identity and time

Publication numberOT-2026-000081518 · never reused
Internal UUID01a0ae97-0f71-7fd2-bde6-13e674e99faf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081518
StatusPUBLIC

Content hashes

Canonical text531f28e6bb5b3cf1aaaf8ba266d231ac84cefdeac24ffa63335a43bebd7200ba
Markdown85cd1d78170ebce6dda74d113b9041cc6a821cf1848fb9b05000352477cf2410
PDF
Publication page12f1c8d9983a8f4c916a47a5b00dbe44471ccdeb466a107d2a3f0d4f626a8e7a
Manifest06c9c0e7810223fe9d50c4d8f89f8887f1ca880aa6840475526e5341decef5a3

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
SignaturedxB3YktXd7PeHvJuGiJKvmSUxAsluycj+XQoT5aKkaWE9HhvbdX3/ztEtsoATkmCo3T+8/dNFEmSIL4xhValAw==
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

2026-09-17T09:59:32.108037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081518
observed 12f1c8d9983a8f4c916a47a5b00dbe44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.090752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081518/manifest.json
observed 06c9c0e7810223fe9d50c4d8f89f8887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.074276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081518/publication.md
observed 85cd1d78170ebce6dda74d113b9041cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.056265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081518/publication.txt
observed 531f28e6bb5b3cf1aaaf8ba266d231ac...
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.