OpenTechnical

OT-2026-000049606

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000049606) never changes.

Identity and time

Publication numberOT-2026-000049606 · never reused
Internal UUID01a0ae81-8f7d-7f18-899b-e6a0b5476725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049606
StatusPUBLIC

Content hashes

Canonical texta7af42431e63b368de813298fa8fa6cd9a528553e8204961ab669914b31b63e7
Markdownba4d262d52e9c0ea0903f05235de65f5aebe55f154a5eba0b9a1d2e83badd322
PDF
Publication pageee4c89f0ff0425c9cd0130dc38b96857356790b92ccf86bcb36b6d7bf2fae3d7
Manifestb1a61a0b81380b21c3c4f7c709b00e7e9d7ab91470ebccb3a621ab36634fa581

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
SignatureP+9LGSOkwRAwHEEV6M8pIBa56IGRs+CF7AdiU6zNTMsrArztMHIJuMjG6SJ9yOfKS9tH1aL27EdKadKhxMsrBw==
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

2026-09-17T11:02:35.345578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049606
observed ee4c89f0ff0425c9cd0130dc38b96857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.328264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049606/manifest.json
observed b1a61a0b81380b21c3c4f7c709b00e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.308922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049606/publication.md
observed ba4d262d52e9c0ea0903f05235de65f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.288817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049606/publication.txt
observed a7af42431e63b368de813298fa8fa6cd...
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.