OpenTechnical

OT-2026-000060128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000060128) never changes.

Identity and time

Publication numberOT-2026-000060128 · never reused
Internal UUID01a0ae8a-5a71-78b6-b8df-f50c21540181 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060128
StatusPUBLIC

Content hashes

Canonical text4b60504ab60a8414585521857eee91f1684244eb9b4db523b3b899647077e0f2
Markdowna8c02aeb4952fb2e09836b8a179078cc6cabbdec14479611935053224ef30df2
PDF
Publication page258ae50d068afc924f98d139fce8a94ef6ee64bcce18ae5938cd7d01d422e3eb
Manifest227f6b77aba4822ff4e8429f5575cca612a5761c5599af48ee9389edf0ec5feb

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
Signaturer28Hls96QpYCWm4muxkbiVjG5xUcNR3VxEo96Gyv5rPO4aZ1UunSuP8WUEBNo0HAuRa9y0+1KtUbjSLeuyoMBg==
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

2026-09-17T10:43:46.736736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060128
observed 258ae50d068afc924f98d139fce8a94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.717931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060128/manifest.json
observed 227f6b77aba4822ff4e8429f5575cca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.698962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060128/publication.md
observed a8c02aeb4952fb2e09836b8a179078cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.682286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060128/publication.txt
observed 4b60504ab60a8414585521857eee91f1...
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.