OpenTechnical

OT-2026-000058120

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000058120) never changes.

Identity and time

Publication numberOT-2026-000058120 · never reused
Internal UUID01a0ae88-6eda-7dbf-83ca-2f1be1a9e245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058120
StatusPUBLIC

Content hashes

Canonical text65e41c0afef31b3c1b92fa7993d2a583c94afca166f7b0db1990b0af9a03271f
Markdown67a899939fd6de952381f5e4c565f470295421afb5b82aa000e1d90c9bb71926
PDF
Publication pageee884099f43b0b2c6af9ab02c93d613b87c24b4f7af9903ac1389f70249b4244
Manifestc75227c2623741390670ee84c8c5248f699694d8bbc03861003de63e0a5e842e

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
Signature0dFqFol52RtqePZ7uY1Z6yjExk8qBlN4mbL0PHG7zBytIzz+Xwoy4GQB7GdxkQdB4Fmu0CgvbyFizI6cPIdIBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:47.792186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058120
observed ee884099f43b0b2c6af9ab02c93d613b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.772438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058120/manifest.json
observed c75227c2623741390670ee84c8c5248f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.753041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058120/publication.md
observed 67a899939fd6de952381f5e4c565f470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.736400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058120/publication.txt
observed 65e41c0afef31b3c1b92fa7993d2a583...
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.