OpenTechnical

OT-2026-000054712

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000054712) never changes.

Identity and time

Publication numberOT-2026-000054712 · never reused
Internal UUID01a0ae86-1284-7f53-a4c8-c12e5282e0aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054712
StatusPUBLIC

Content hashes

Canonical text7c0664b1b30bb9312b939a1e6cfa5ad3b1e6550f7c9784e349d5449afb57ae89
Markdown3170d3a0ff20cdd916888417508e40d3336a7daf968c2d299df36b84ea50b419
PDF
Publication page59042be6c85296a36ac63a53d57e1639d07da8874104e552a64e6712557dfebd
Manifest18353a7bb514c95b2eed06716281080beaba48a84c8913858ecf40496120419c

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
SignaturexHJWAuD/mDsM2mM/EjA4yhU31jUWyEk7yxubxNyH+ADi2w73YGRt8+16kR4cAUT8OQWcCkRuvhbUZIfelqMyCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:48.343070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054712
observed 59042be6c85296a36ac63a53d57e1639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.324378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054712/manifest.json
observed 18353a7bb514c95b2eed06716281080b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.304202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054712/publication.md
observed 3170d3a0ff20cdd916888417508e40d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.284683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054712/publication.txt
observed 7c0664b1b30bb9312b939a1e6cfa5ad3...
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.