OpenTechnical

OT-2026-000081596

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single 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-2026-000081596) never changes.

Identity and time

Publication numberOT-2026-000081596 · never reused
Internal UUID01a0ae97-0f72-776c-b5c4-c35231f3acd3 · 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-2026-000081596
StatusPUBLIC

Content hashes

Canonical textb9fccc9bebc83d0847d34b09c7d4a7844bfc37478c1187f06a66164fb3359e98
Markdown4d121d5a0cc9a59c62c675282c364a13fa76a644b4e80c3f1df9c2ff9b377ab2
PDF
Publication page221651108bac1a3d8195fd8308720ee6ebc59388cbe9b8757b395c1ca441afc0
Manifestff7e0931e56b678698bf49bff0b2c984f3d77092b5a2b9e57a5db7cee4a62cae

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
Signature0EtESzVydSCgacuIjfzyTV8wMUndeoy0Fhw1kuk7wIzCSFgXpMr+ZT15F8SnxY2OAcuCL76f3CLYvrqL94WVAQ==
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

2026-09-17T09:59:37.987148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081596
observed 221651108bac1a3d8195fd8308720ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.969957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081596/manifest.json
observed ff7e0931e56b678698bf49bff0b2c984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.952613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081596/publication.md
observed 4d121d5a0cc9a59c62c675282c364a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.934415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081596/publication.txt
observed b9fccc9bebc83d0847d34b09c7d4a784...
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.