OpenTechnical

OT-2026-000100121

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000100121) never changes.

Identity and time

Publication numberOT-2026-000100121 · never reused
Internal UUID01a0aea3-3052-717a-8adf-c583c9e4fd33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100121
StatusPUBLIC

Content hashes

Canonical text7005a70d84ce270ff009ee637040f890e6c6cb8249c8e235f20ff107b835f4d3
Markdownf152d0b0f1c31b2a33271856ddef97882306248acae834d77651c6955d062890
PDF
Publication pagec052d856a66834e05fdb56e5be5b4257f549838a40be0aef6c80f4a709011a6a
Manifest55bd0a51fd88ef7f3eb11748fd3cb0ee6154f5e8ca6946c45ecc19da8de60119

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
Signaturew6Jhqv5N8rJr+oc303R5bLJtSEUroglpYhXuNG82BLzrJ9bWjxM1WN/hOOKQiYJmrbKd2kAmj7RVSG056kRhCA==
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

2026-09-17T09:27:49.420502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100121
observed c052d856a66834e05fdb56e5be5b4257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.401319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100121/manifest.json
observed 55bd0a51fd88ef7f3eb11748fd3cb0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.380458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100121/publication.md
observed f152d0b0f1c31b2a33271856ddef9788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.359450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100121/publication.txt
observed 7005a70d84ce270ff009ee637040f890...
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.