OpenTechnical

OT-2026-000099740

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000099740) never changes.

Identity and time

Publication numberOT-2026-000099740 · never reused
Internal UUID01a0aea2-c977-7d24-9c95-486f94b218db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099740
StatusPUBLIC

Content hashes

Canonical textcbf72fc11bc3000723ad9ec6923a6ffd5cf773b4e52aebe224f90bd9637709a1
Markdownbd655913ff25159719a397357fb0bea750125c7ea5d7b05fe0da250f3b40dca1
PDF
Publication pagee52c3ae600ea00887377cb6fdb155f5dca75f89ddac9d8f2754be2da9305b8b6
Manifestf925f1cab7e09b7388f9419dde751b2858f7b64587160577ac00af82d6bb7861

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
SignaturedSoHHN7IRmWHn8Ri74iSSUkDs670SQBuHusxBTl2MC7uZrfYFf0HnIQvhLvAs8fbP1RtIu2nbI4xWTJFVL40Aw==
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

2026-09-17T09:29:45.838341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099740
observed e52c3ae600ea00887377cb6fdb155f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.820935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099740/manifest.json
observed f925f1cab7e09b7388f9419dde751b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.803208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099740/publication.md
observed bd655913ff25159719a397357fb0bea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.785143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099740/publication.txt
observed cbf72fc11bc3000723ad9ec6923a6ffd...
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.