OpenTechnical

OT-2026-000015879

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000015879) never changes.

Identity and time

Publication numberOT-2026-000015879 · never reused
Internal UUID01a0ae6e-0c4c-7537-9d8a-860dc15c9422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015879
StatusPUBLIC

Content hashes

Canonical textf0dd12a0d738e83a4bbbac9278b8ee86fa47708a8b8f354849a4a56208d371d3
Markdown30a512a25a2a1960eee881930f6543315c753774cc6bc2f58154fcdb644641c5
PDF
Publication page2eef07ad88850cfff056f17e3b887635095d53f84afd43ecb941c031292027f9
Manifest7209d84376130b78e390bbd01b8f3c96c745df97db92b646b6ee3e568be49327

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
SignatureaJHE6cMVNsmuD/yfnH6UGabkbwC48U9HZqrjyxNNKp9UIA46M/hkXP9y4o6jPGmckK7MC8Z+NT0Bv6rOGTZoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:19.787826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015879
observed 2eef07ad88850cfff056f17e3b887635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.769095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015879/manifest.json
observed 7209d84376130b78e390bbd01b8f3c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.751274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015879/publication.md
observed 30a512a25a2a1960eee881930f654331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.732346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015879/publication.txt
observed f0dd12a0d738e83a4bbbac9278b8ee86...
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.