OpenTechnical

OT-2026-000056957

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056957) never changes.

Identity and time

Publication numberOT-2026-000056957 · never reused
Internal UUID01a0ae87-7af9-7a70-946b-c5e8ae7011c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056957
StatusPUBLIC

Content hashes

Canonical textfac5cd05dd1b5a534037f030f21394f8fbfb95999022bb234f8a14124c129a06
Markdown7762daeb181e3b39225186ceb0d7b36e60342c520097b9414f6976ea8f19c7bb
PDF
Publication page011f5e259c7bf3c87197e1afb7e60c528702f346ebbeabcc7969650cc7499cf4
Manifestf59ddd4e1961f8c20883125e6673234507283dfd581c0f9c4574dcfe53e3e3aa

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
SignatureuuHMK9E1lCYneaXOJjq7s7sukgcJMHE6OxLMUTlEHeKSynnd140McyJ1TVw8e+8xuLWWl+Jc7XVQjDHnaK58Bg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:30.684477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056957
observed 011f5e259c7bf3c87197e1afb7e60c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.667480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056957/manifest.json
observed f59ddd4e1961f8c20883125e66732345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.651031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056957/publication.md
observed 7762daeb181e3b39225186ceb0d7b36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.633946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056957/publication.txt
observed fac5cd05dd1b5a534037f030f21394f8...
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.