OpenTechnical

OT-2026-000067700

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000067700) never changes.

Identity and time

Publication numberOT-2026-000067700 · never reused
Internal UUID01a0ae8f-6bdb-7b9d-8c77-7f711746f376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067700
StatusPUBLIC

Content hashes

Canonical textcf2368d5281d50d904d38b8adecc851a3690b0be72c6764f49996ae339c62b4d
Markdownd3e6c712e65ea7c602fbb8a0a106bf1ebde9c6f5815ecbde1dbeeb6e48207eef
PDF
Publication page9a28177d5310c40395cbc74f7591ee0e8a1d4a42a44a5e3d27ffc7d7da9787dd
Manifest0403277e57d79c2c9c67d4e907353c57be0a8811a89fb20807f77858b38b4629

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
SignaturehEjKJNMnWJSfpPTzHZBkwMKI3g8RYRGAln2C/ZdN+4jrTlgMzkFlcZQilzXqNS+JUAC7Y/Btl3F6dnc7OZN0AA==
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

2026-09-17T10:32:02.639117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067700
observed 9a28177d5310c40395cbc74f7591ee0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.618565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067700/manifest.json
observed 0403277e57d79c2c9c67d4e907353c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.598414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067700/publication.md
observed d3e6c712e65ea7c602fbb8a0a106bf1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.579736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067700/publication.txt
observed cf2368d5281d50d904d38b8adecc851a...
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.