OpenTechnical

OT-2026-000057783

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000057783) never changes.

Identity and time

Publication numberOT-2026-000057783 · never reused
Internal UUID01a0ae88-6ed7-741c-8de5-5aa7ab252d69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057783
StatusPUBLIC

Content hashes

Canonical textdc8b2a5416f0012563c57d5bbb0271c1c5c89c57d8ff4d17134ae65cb4b3ae30
Markdownb542ca3f054bd6a9778bb03dd69d1af55d6ebe9f163044f006caa3cc148156fa
PDF
Publication page300f1132ed33989642d35b9134dc98fac2290d7a1de01d401a23828ef9fdd358
Manifest32567e1d0c98085fe953ff7547e825e41b815c48d70ffd5cbae5ee0a8dc87f5a

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
Signature0VL5wk+5sgeQNj5Rvk1wmgpEyMYtgUO7MhqrrLvWOM5+Rlp/NjoE1uPVgza8XPw1iJTDdLp0UGleX8UrlrXYDw==
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...

Independent retrieval

2026-09-17T10:47:20.394328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057783
observed 300f1132ed33989642d35b9134dc98fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.377281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057783/manifest.json
observed 32567e1d0c98085fe953ff7547e825e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.359477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057783/publication.md
observed b542ca3f054bd6a9778bb03dd69d1af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.340682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057783/publication.txt
observed dc8b2a5416f0012563c57d5bbb0271c1...
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.