OpenTechnical

OT-2026-000061489

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000061489) never changes.

Identity and time

Publication numberOT-2026-000061489 · never reused
Internal UUID01a0ae8b-7b43-7d93-b91f-ef6aba94ca4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061489
StatusPUBLIC

Content hashes

Canonical text0d761a4cdaf76da4a02dacf724ce0c1b664b21df3e062e273d4f8ecb1debbf2a
Markdown5efea6c0306bf5c4ca57842a6095c53704bd30caf72b13a114524cd6b1159f63
PDF
Publication page06438c30c126d46f9078da78f01a8ac8996d5b8cd87c97f0e77e1b15ad1fcf05
Manifestc0f8f76b12d6299fa311c45a074d727fdfe55f728556e90a926c96966707347f

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
Signature+q61hvRKEvLgLmusIxdbhxJRCxUTM7E/t2W544GtflNy93NEBygmNBfMgaAUO1WF82roKugy5yrnV+wPTGEYBg==
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

2026-09-17T10:41:22.813688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061489
observed 06438c30c126d46f9078da78f01a8ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.794885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061489/manifest.json
observed c0f8f76b12d6299fa311c45a074d727f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.776089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061489/publication.md
observed 5efea6c0306bf5c4ca57842a6095c537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.756796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061489/publication.txt
observed 0d761a4cdaf76da4a02dacf724ce0c1b...
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.