OpenTechnical

OT-2026-000036057

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000036057) never changes.

Identity and time

Publication numberOT-2026-000036057 · never reused
Internal UUID01a0ae77-01cd-7f3b-9422-dae3450b7271 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036057
StatusPUBLIC

Content hashes

Canonical text63ee60982f1b65ae165198e938a017c821ffc793c731c01234573d814e9e690d
Markdown4167e33718295e49a82c97c0cc560a2eb7942c49fc9084e656d9152d521007ce
PDF
Publication page4f4a5b2dc3b24f5b24abe37882dac8cae043f86200a0068845178bef7f70b8d8
Manifest99d381f39dbedbccc15d69811bcccfb489822bffee8d91bc0fc86033d687c839

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
Signature0vhOWae6qVREi8knweyRUQLus6fSMHrpDFk+4/8Idk0+yGarQ7zkq45/2grcCD3AoCASXxh98Lgv/Bq1jrUTAw==
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

2026-09-17T11:26:14.155425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036057
observed 4f4a5b2dc3b24f5b24abe37882dac8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:14.137986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036057/manifest.json
observed 99d381f39dbedbccc15d69811bcccfb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:14.093496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036057/publication.md
observed 4167e33718295e49a82c97c0cc560a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:14.058487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036057/publication.txt
observed 63ee60982f1b65ae165198e938a017c8...
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.