OpenTechnical

OT-2026-000103291

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000103291) never changes.

Identity and time

Publication numberOT-2026-000103291 · never reused
Internal UUID01a0aea4-be3f-7620-9bfb-e28b43e071a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103291
StatusPUBLIC

Content hashes

Canonical text7acf93831ca298a9a62aff6df7aad8eb561085287a4f25174bf693899cadd2b6
Markdowne554d207667202232da22786014c6dc242607737b61accd65f0ffcb39910b85e
PDF
Publication page05078dfaffb017475f261aa71cc35901b778ddd2c9322ad12f533bf40b6f4da8
Manifest67f203e3996436212ef39d4ad15e540a5e54ef796c08207a6ed2c773e9d7f461

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
SignatureHfogj5br1Feuxs0WXsfCmuWmJx0Dt/lSzVlm0zsfEEVkaLl0vD6MUdkNS52O8GTO3OBR1yOhAxLSx+7OTR1KCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:32.156357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103291
observed 05078dfaffb017475f261aa71cc35901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.139514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103291/manifest.json
observed 67f203e3996436212ef39d4ad15e540a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.122856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103291/publication.md
observed e554d207667202232da22786014c6dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.106497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103291/publication.txt
observed 7acf93831ca298a9a62aff6df7aad8eb...
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.