OpenTechnical

OT-2026-000061318

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000061318) never changes.

Identity and time

Publication numberOT-2026-000061318 · never reused
Internal UUID01a0ae8b-1384-7aba-aa30-d2b2efc8adcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061318
StatusPUBLIC

Content hashes

Canonical textc14b2ba63c284979ae8b70c70b79ee5731a78d268aa5463861f01539955555b5
Markdown2ac6e231a79d0b4d8262920eb376abf567b36b4a3b27f4aa160659ef15182cb7
PDF
Publication page63522366717737d3ab9ed7add953c37a4c02ad40aae1cc40854f45b7bfe6e91b
Manifestd0e4a8bb72e94b0ff778bf1a1ba73279ed7d9e7b627f6a7565b741c72110f62e

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
SignaturehqgQGx1oLlnVMFM7rpRaXPt6th3RvS1kkNdWHhoXMGMkSGqw4LN4k7zfyWx+aMwJ9CHnv4M1GGf+Ku9tD9IPCw==
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

2026-09-17T10:42:45.198590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061318
observed 63522366717737d3ab9ed7add953c37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.178802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061318/manifest.json
observed d0e4a8bb72e94b0ff778bf1a1ba73279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.158594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061318/publication.md
observed 2ac6e231a79d0b4d8262920eb376abf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.140401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061318/publication.txt
observed c14b2ba63c284979ae8b70c70b79ee57...
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.