OpenTechnical

OT-2026-000103050

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off 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-2026-000103050) never changes.

Identity and time

Publication numberOT-2026-000103050 · never reused
Internal UUID01a0aea4-be3d-7f24-8e56-3010fda5a417 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103050
StatusPUBLIC

Content hashes

Canonical textea85f557e09f563c677cad392298f6067c7b46743297b994cdd0db7893664b89
Markdowncebe21d6ea3b2b0d64c7300e90180df1f1c4aeaed98a27058881d593753d73a0
PDF
Publication page2816505ae6e1c214f5b74874e53426db68167f377305c2c6c31959100d345c2c
Manifestf9331aa2790c699e4f134557a16ebfcb6ca63b0b469f27a97d1ab6a012b7d661

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
Signatureitou5Iyboi1Pky+un87uu1re+sbA1ygdu4f935ntGCN++CEQKO3ClZAyWshWYefEbNiwX18Y40tfbtOBcBcZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:10.553963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103050
observed 2816505ae6e1c214f5b74874e53426db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.537443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103050/manifest.json
observed f9331aa2790c699e4f134557a16ebfcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.519340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103050/publication.md
observed cebe21d6ea3b2b0d64c7300e90180df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.503502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103050/publication.txt
observed ea85f557e09f563c677cad392298f606...
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.