OpenTechnical

OT-2026-000043164

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off 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-2026-000043164) never changes.

Identity and time

Publication numberOT-2026-000043164 · never reused
Internal UUID01a0ae7b-327b-7f8a-a269-eeaea1e939a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043164
StatusPUBLIC

Content hashes

Canonical text83a733c61dc2dd45d10fc656e215ab6093174be9a7ac2c7a3bd5e7ccfbd29b8e
Markdown6b51d19c301931c8a353a611b2534ed8afa51227d2eac1262e28786c58215b45
PDF
Publication page35982ed13cd421914924282f633db9ca75e87620d763fec89f247e09fdc15d8c
Manifest85ba017b141497e53c3dc2e4a0805564a419fc445f775a2c26aca91bc533a8b6

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
Signatured5v3UMrFCLa/nOviNgAa+IovUjMoYuokNop5fnvalVgNAzO0nFNA62JVPqA3isRdME0K0YMZuKQX9S44cxnABA==
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

2026-09-17T11:13:36.525621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043164
observed 35982ed13cd421914924282f633db9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.508124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043164/manifest.json
observed 85ba017b141497e53c3dc2e4a0805564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.488004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043164/publication.md
observed 6b51d19c301931c8a353a611b2534ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.467556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043164/publication.txt
observed 83a733c61dc2dd45d10fc656e215ab60...
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.