OpenTechnical

OT-2026-000069172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000069172) never changes.

Identity and time

Publication numberOT-2026-000069172 · never reused
Internal UUID01a0ae90-6dcf-73e7-9914-efe62de7613d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069172
StatusPUBLIC

Content hashes

Canonical text63019b28f262533390bb198dab9b0b58f8d8e1a75fdb8f9c08106086d83834d2
Markdown5863dc153f9b9e96fc200235b3d9ee9e178c90b0ac79053d13ced3c3c4753fbf
PDF
Publication pagedb2837b7cac6197e6951535812abd0d657e2a6496cb27df5505e117a66133784
Manifest4de8bfb0387aff42c07fea3a930c5157f69d64d1d6f81d42baf8c46a1056349f

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
SignatureY76ZZsogx8O3wtwlEviEXT3yYZ3vbjHZktdwx6kQKEP1BlrAGJcBh6UH3PWxOrhXjKayPfgHb7QKicAFxLkAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:03.696859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069172
observed db2837b7cac6197e6951535812abd0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.680516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069172/manifest.json
observed 4de8bfb0387aff42c07fea3a930c5157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.664027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069172/publication.md
observed 5863dc153f9b9e96fc200235b3d9ee9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.646403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069172/publication.txt
observed 63019b28f262533390bb198dab9b0b58...
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.