OpenTechnical

OT-2026-000061326

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000061326) never changes.

Identity and time

Publication numberOT-2026-000061326 · never reused
Internal UUID01a0ae8b-1384-7ee6-ab64-fd4131037812 · 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-2026-000061326
StatusPUBLIC

Content hashes

Canonical text321ba590c624e68313011b690c2f681b09a973c40bc863c10b6502885821dbfa
Markdown5dadf449841e65a215a88a14b84ea3f1f6dbfb9e9e9dedb83232a0b2eda91ae2
PDF
Publication pagee27e526a14cfc81539338c4d9155d2f4b6fc32de971f7b47f7a0e448aa349846
Manifest008f69d89223f310d85df2312da91768417460b09f3ee60306e7f2dc85e91e4e

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
SignaturevawlgpDW5WThYl/ARFIS4TRe7h3D6UxOzLR235AHEdC17xvPGg3+0/jxrtSm7lpMxZ3tdOmKKpMYJOGzSTRZDw==
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

2026-09-17T10:42:45.788724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061326
observed e27e526a14cfc81539338c4d9155d2f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.771955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061326/manifest.json
observed 008f69d89223f310d85df2312da91768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.752609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061326/publication.md
observed 5dadf449841e65a215a88a14b84ea3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.735613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061326/publication.txt
observed 321ba590c624e68313011b690c2f681b...
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.