OpenTechnical

OT-2026-000088628

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088628) never changes.

Identity and time

Publication numberOT-2026-000088628 · never reused
Internal UUID01a0ae9b-8f0f-74d0-969c-ce1d7e99fbc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088628
StatusPUBLIC

Content hashes

Canonical text3e5b4f6af10cb04c3f0307aa6e89e2c0c3d7f93734c73434c685c010e89652b2
Markdown75d8190bb5717cf3e58a2b72b40f72f8b0e479d84781680f7fc850604b274a3a
PDF
Publication pageaf4dedb6af9da6a2e6a6608d16cc70699383119228432d3129d8aa1808ff7c91
Manifest770c0b8e9f86a1cbb3e1c7fe02cf5c46e4a2921238ef753eeb08da5baf5eea25

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
Signaturee+ITLyYap6HK4OD31Aw01PTKVc0iZbejVCsMNrrTnHOb9gMns03hxGgo9OqutpQ+8pytwNKmEgQjrhD8sKMdCg==
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

2026-09-17T09:47:50.458134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088628
observed af4dedb6af9da6a2e6a6608d16cc7069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.439256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088628/manifest.json
observed 770c0b8e9f86a1cbb3e1c7fe02cf5c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.420201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088628/publication.md
observed 75d8190bb5717cf3e58a2b72b40f72f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.402206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088628/publication.txt
observed 3e5b4f6af10cb04c3f0307aa6e89e2c0...
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.