OpenTechnical

OT-2026-000089467

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089467) never changes.

Identity and time

Publication numberOT-2026-000089467 · never reused
Internal UUID01a0ae9b-db02-717c-8d2e-27227563b99f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089467
StatusPUBLIC

Content hashes

Canonical text6026cbde4bd6385eec7b9ddc022baab86e99d0cb641f8493b897be760e97e98e
Markdown14d6f15c14907aee07bdf80d070a1cc718c001b81dcc06c81c68436d67b0fea0
PDF
Publication page531bbc14791118476638928eb63350cb7a72bb9578050b4a86b7d67607468194
Manifest79a3b29c09d74517beb0eb61bcc0a44f10d67d2c53575de6694b891a927fd65b

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
SignatureuFRWH4M6NNyCqZT8iaFv9QLc4cL+n8MeFTbR6/5lECTAQnNNxyxD0wPLDS1yAloLB4HMObIkGzMRQQqLgmpWDA==
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

2026-09-17T09:47:37.071293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089467
observed 531bbc14791118476638928eb63350cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.052648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089467/manifest.json
observed 79a3b29c09d74517beb0eb61bcc0a44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.035036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089467/publication.md
observed 14d6f15c14907aee07bdf80d070a1cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.017633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089467/publication.txt
observed 6026cbde4bd6385eec7b9ddc022baab8...
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.