OpenTechnical

OT-2026-000051993

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000051993) never changes.

Identity and time

Publication numberOT-2026-000051993 · never reused
Internal UUID01a0ae83-e78e-7f6a-a60f-bcd9a6151b4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051993
StatusPUBLIC

Content hashes

Canonical text26ee7b717660c23e3decb587866ebadf853504fd39d5c602e5dc359e7f8019d9
Markdown1f6142c66d592dc4fda11e551cd85bba31dd55dc7eeedfec9b4d86b44136076e
PDF
Publication page7bd56bdac5f922496bdd0682d9742fc768849aec00837b2eec2e587f767fc2f7
Manifested91db3c5987a79c7326841590c8ee501c4066ed4c124e4a098f086dfacff5ba

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
SignatureqTi4q472+5kZkMMcHgfZt1C9F32K1eQzeFW5Scvwm0wyc0iwwk4AaUGkQG4Z44w0fixAghskAut0x8QI3xHIAg==
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

2026-09-17T10:57:29.782417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051993
observed 7bd56bdac5f922496bdd0682d9742fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.763409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051993/manifest.json
observed ed91db3c5987a79c7326841590c8ee50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.742457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051993/publication.md
observed 1f6142c66d592dc4fda11e551cd85bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.723524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051993/publication.txt
observed 26ee7b717660c23e3decb587866ebadf...
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.