OpenTechnical

OT-2026-000098604

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000098604) never changes.

Identity and time

Publication numberOT-2026-000098604 · never reused
Internal UUID01a0aea2-42ad-7500-b801-79e07c6601cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098604
StatusPUBLIC

Content hashes

Canonical textf3cb1d6792c836c0142354bdb2e10dbd54c7e740ef8257479e57b7d54b2bd457
Markdown64ba0b371d411a31619da344a2909a0ba048991a8e2bfc52c2092869add91680
PDF
Publication page220a599c27a281dbb63d4d0c171ac669698e7a3cd1fcaabfa58abada188c4547
Manifest2e969b9fcb37c6101939a95c84768b6437f38adfd4a02aae3eb8e0299c32dcd9

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
SignaturexfRsQa4rGWwWNcfqwuFmnWxkZ84QK+BQpdYNoGj2rY0vg79xj5TApHqm9yYQFHJX56ntoGAk/VfvZQOGFXzBAQ==
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

2026-09-17T09:30:53.059119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098604
observed 220a599c27a281dbb63d4d0c171ac669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:53.038967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098604/manifest.json
observed 2e969b9fcb37c6101939a95c84768b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:53.019408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098604/publication.md
observed 64ba0b371d411a31619da344a2909a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:52.999378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098604/publication.txt
observed f3cb1d6792c836c0142354bdb2e10dbd...
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.