OpenTechnical

OT-2026-000056603

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000056603) never changes.

Identity and time

Publication numberOT-2026-000056603 · never reused
Internal UUID01a0ae87-7af5-7b33-86b4-2ea61913b88e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056603
StatusPUBLIC

Content hashes

Canonical textee1fac5180b1bb0bea1eb3070e221d902ef4e58ae93aa2de1f559422ea91e412
Markdowne7d30a4e345fd027b25fb3783635cfba830e93172fbafc1df0653b48323c01c4
PDF
Publication page5bd65211bceea2b271ca207edd00c1286c403e52d2a1bc03656b9f7a92495486
Manifest0187615cd338597fb0e30172326b29ffafa78336e83a3e2f8a5023ace3f7dbee

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
SignatureJiHq2X9nPzWvwmdgVE5f725Jf2aJtXKiBuKp2+vg9CK3d3MJGupoBxqgsBn5u6zzBFp+iLQDuRjzPDk89bUOBA==
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

2026-09-17T10:49:57.178853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056603
observed 5bd65211bceea2b271ca207edd00c128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.159250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056603/manifest.json
observed 0187615cd338597fb0e30172326b29ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.139404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056603/publication.md
observed e7d30a4e345fd027b25fb3783635cfba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.119759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056603/publication.txt
observed ee1fac5180b1bb0bea1eb3070e221d90...
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.