OpenTechnical

OT-2026-000068730

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000068730) never changes.

Identity and time

Publication numberOT-2026-000068730 · never reused
Internal UUID01a0ae90-6dca-717a-8766-edd7b82af6e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068730
StatusPUBLIC

Content hashes

Canonical text63099004e91b64bb6e6688648836fbdfdada289711c3f24fb0c1332d16baab56
Markdown4eef7026d0c5e6f0e1dd99b2d22191cb275f2320834e01e71d2354150a8809d0
PDF
Publication pageb42771fc6ab9370be920de1b3345ef0186cdce516910b3eb6c554615ecdf0d43
Manifest138fea8fe595a9a2dbe94befb6185a4ff02afabfabf59dd046efacc0073d78fa

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
SignatureE4bXulcSD7ogKuR1BmRJZZ6yU9i0Lyqb1MRfVKV5DuH7SV2mqG7l9YThnbnGQDJps9J0ouPXEMKqCtJt+TU0Bw==
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

2026-09-17T10:28:30.333615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068730
observed b42771fc6ab9370be920de1b3345ef01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.316733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068730/manifest.json
observed 138fea8fe595a9a2dbe94befb6185a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.299969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068730/publication.md
observed 4eef7026d0c5e6f0e1dd99b2d22191cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.283835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068730/publication.txt
observed 63099004e91b64bb6e6688648836fbdf...
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.