OpenTechnical

OT-2026-000057533

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000057533) never changes.

Identity and time

Publication numberOT-2026-000057533 · never reused
Internal UUID01a0ae88-2693-71ec-b0b9-a12f57cc30eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057533
StatusPUBLIC

Content hashes

Canonical textb80fd62f2affd2d6508db1e68d2ab895e73f7883607fb91a9beeb6cc32546b10
Markdown7c5d555f4bdb32e89a0467dac973cbf97cdb642d1ec72afa02a8fc9af67f32f0
PDF
Publication pagedf1408eb0e1e0c264310f236ff46a36649e63d7b6b3e772c00b88ecd40632cde
Manifeste7c7450ef517796ffb547bedd7b3ef7c48f4a37adce3a05afea95b62f7c7989e

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
Signaturekms+tmXYYlKeznfTjRZvpPrQMgBA9+u1WYtzo9QWwbR97exuJFHi+582sPOFgwq3MuV8yfurGby+2zVhm0roAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:04.204159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057533
observed df1408eb0e1e0c264310f236ff46a366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.185916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057533/manifest.json
observed e7c7450ef517796ffb547bedd7b3ef7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.166403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057533/publication.md
observed 7c5d555f4bdb32e89a0467dac973cbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.150506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057533/publication.txt
observed b80fd62f2affd2d6508db1e68d2ab895...
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.