OpenTechnical

OT-2026-000030058

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000030058) never changes.

Identity and time

Publication numberOT-2026-000030058 · never reused
Internal UUID01a0ae73-ac4a-7e44-93eb-8c8c291bfbb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030058
StatusPUBLIC

Content hashes

Canonical textec227cb0c5d1e1a0111a48ade755af086d492d3b768d3c8772914bab061de8fd
Markdown1935c22f684e4376e6ef484433c4669268024c556bcf5cd752c941d9fe79277c
PDF
Publication pagebec3a198bdc3b2e189e53395d2846ce459f698861417088114b06d64e0249518
Manifest3ecf6fa73ecd348d0ddce57dfe74092bf72c9a28920dad941ecffdd5604b54d8

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
Signaturen9t2zNUS/GQX22CJTXdeFefWEGU40JuEI3gYfov6YDhmVuEvia/XB9jJweu8LPcTnv13EheQ6wFCz9QrprW5DA==
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

2026-09-17T11:38:47.949860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030058
observed bec3a198bdc3b2e189e53395d2846ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.934717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030058/manifest.json
observed 3ecf6fa73ecd348d0ddce57dfe74092b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.915514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030058/publication.md
observed 1935c22f684e4376e6ef484433c46692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.897532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030058/publication.txt
observed ec227cb0c5d1e1a0111a48ade755af08...
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.