OpenTechnical

OT-2026-000064548

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000064548) never changes.

Identity and time

Publication numberOT-2026-000064548 · never reused
Internal UUID01a0ae8d-a462-7b2d-99dc-c90b4a4ec2bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064548
StatusPUBLIC

Content hashes

Canonical text7a3f97a51f077978baf347fa984f99782bcb7b672a71a6738f7383e46ce6d0d8
Markdownb22cc00c7b122eddf5d7247f77ab534bf7a4d9296915487c57ce14a85bc9cd5b
PDF
Publication page9447941965809d44b367a8ec1a7a283ec1c1bcf9716737ff7660cfc5adee882f
Manifestd76d46454cf130d9b67bc5183af0660f54fa244bafb8e01685cec79a29fe4a02

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
SignaturegDt3RMbekT5a8eTW1ZcdsJ1FtcCqPwQTN5lSt6Rq9rsf7v9QMJwKxeo6hWcDfM+onfBAU58njOomLUSGDufiCA==
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

2026-09-17T10:36:46.010840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064548
observed 9447941965809d44b367a8ec1a7a283e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.991830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064548/manifest.json
observed d76d46454cf130d9b67bc5183af0660f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.973129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064548/publication.md
observed b22cc00c7b122eddf5d7247f77ab534b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.956615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064548/publication.txt
observed 7a3f97a51f077978baf347fa984f9978...
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.