OpenTechnical

OT-2026-000056124

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000056124) never changes.

Identity and time

Publication numberOT-2026-000056124 · never reused
Internal UUID01a0ae87-0a4b-7faa-bdcb-72c11b4284b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056124
StatusPUBLIC

Content hashes

Canonical text15eea1b755b96a98da891e00fe18766b1fdb6cecb57d0cb69fbd73c0388cd4d1
Markdown4286677fc8a3f1e2ac3b45241ad41e757207e906dc4bc716c8874d30d99859d6
PDF
Publication page220c6581733c03232eeeb89dd7dcbe8d169533731e1c7eac5f139120f2898601
Manifest2c21765d8267e7d5f7455458297ed6928d9132d78eefd731d41c6bb34bf6ecc0

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
Signatures5hKtV8ZuGwtmtNEMfD8ZMN7W8+7HFUvAKN1jWXJCTRGDl2+0Yz80d8m4Da3GIxkHp59+9QVtB62NiY4wXZODQ==
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

2026-09-17T10:51:40.224240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056124
observed 220c6581733c03232eeeb89dd7dcbe8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.206464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056124/manifest.json
observed 2c21765d8267e7d5f7455458297ed692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.188882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056124/publication.md
observed 4286677fc8a3f1e2ac3b45241ad41e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.171083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056124/publication.txt
observed 15eea1b755b96a98da891e00fe18766b...
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.