OpenTechnical

OT-2026-000088357

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000088357) never changes.

Identity and time

Publication numberOT-2026-000088357 · never reused
Internal UUID01a0ae9b-5d27-7aac-89fd-cec2903e4103 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088357
StatusPUBLIC

Content hashes

Canonical textfd84223d510fc6eb4d606e6cf93cd86439e58296203265f4ba5b287f8e36b716
Markdown20787dac84e282938dfcfdc2d18516a5610edf1dd4692ee8afcd05cf1990696e
PDF
Publication page326cd2d00c122dbb37785a36de6c2a907bfc15ee653ebeb7e4adc3601fe5d5d8
Manifest5cac6c9736436c0430e8bf902700a2601559768e4df2ca10581505adeacea6c4

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
SignatureApk/6yJ6fZ7TOCBHk5yJthFkjb91EM0pzBfbBe4qNtgaq/aMS7K4XbSyf1EjkOEBc89qRl4uCAVV8nGhIoe6Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:42.269213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088357
observed 326cd2d00c122dbb37785a36de6c2a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:42.250040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088357/manifest.json
observed 5cac6c9736436c0430e8bf902700a260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:42.231421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088357/publication.md
observed 20787dac84e282938dfcfdc2d18516a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:42.214410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088357/publication.txt
observed fd84223d510fc6eb4d606e6cf93cd864...
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.