OpenTechnical

OT-2026-000043376

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000043376) never changes.

Identity and time

Publication numberOT-2026-000043376 · never reused
Internal UUID01a0ae7b-327e-7e40-9d5d-59fac73d5845 · 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-2026-000043376
StatusPUBLIC

Content hashes

Canonical text5081b15f55a9874899e93218f29dff7d80c2ea3c5cb776e63d067f4b9145ae2c
Markdownc268fa1ff282fce1b3ce648945b335f9a497b56d76c398bf6a3a0f81fecda642
PDF
Publication page9085835276e1adcaa14def6e7627468587cb08533f7df91d7cec0568c011c90f
Manifestfa323ee0eed8a22e5a3eb564d7233b4e9cfcfdf63b0efa326760959dfec069e6

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
SignaturebBlEhFWPiYl1pDfkEd79yCnlYWAaaPz37DDkOFk7WRz9E22rbzzVtv2xwNtka1EQiqcDrftAdb/4DVZ8TU4nCQ==
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

2026-09-17T11:13:54.226539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043376
observed 9085835276e1adcaa14def6e76274685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.208831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043376/manifest.json
observed fa323ee0eed8a22e5a3eb564d7233b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.189498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043376/publication.md
observed c268fa1ff282fce1b3ce648945b335f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.169629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043376/publication.txt
observed 5081b15f55a9874899e93218f29dff7d...
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.