OpenTechnical

OT-2026-000104112

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000104112) never changes.

Identity and time

Publication numberOT-2026-000104112 · never reused
Internal UUID01a0aea5-341f-7c96-954b-aa1ae307022f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104112
StatusPUBLIC

Content hashes

Canonical textc23f8d23bb1b791d1856d943668a62361e46d7fa28f0aab197227cb58e06951e
Markdown6c7d7f83ab905c1d180ed9547d62e8e36932ad91acd36048c48e54bcb573377f
PDF
Publication page8880c1eb032b9c804285dbe47012919212c657e6848b0823141128ef2196eeea
Manifeste5e2958386f4a449fa9d34516b8725d246abe401e0e1bfbf993b71bc6058ef1b

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
SignatureTeUIxvVuyas/siXknwkxeabKNzq6WAb3GbNGWkz5SCT9JD7t2Jww6lPS+lEFwhcTUpHmg6oSHREMEqk7eu2wAQ==
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

2026-09-17T09:20:11.275460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104112
observed 8880c1eb032b9c804285dbe470129192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.257483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104112/manifest.json
observed e5e2958386f4a449fa9d34516b8725d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.240117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104112/publication.md
observed 6c7d7f83ab905c1d180ed9547d62e8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.222715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104112/publication.txt
observed c23f8d23bb1b791d1856d943668a6236...
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.