OpenTechnical

OT-2026-000088672

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000088672) never changes.

Identity and time

Publication numberOT-2026-000088672 · never reused
Internal UUID01a0ae9b-8f0f-75b7-883c-29ba546cdb98 · 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-2026-000088672
StatusPUBLIC

Content hashes

Canonical text7d63b169d2faee69e4fb3fe0b226baadcd9658baaa582affcc9ddb13b8889ad2
Markdownbfe3e6c46b35c332d52285b64a28b396d7fd154de72a7f9e4c4f1d7ec05253c6
PDF
Publication pageced1e136deb314f618856ef5ac56810952629d2bc4491eeedc06b7389c989fcd
Manifest9a103285e36a7833cfaa0b47048f35756c8c9c1e9ab01781b5176261d1a3a2c6

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
SignatureNTlG7nJrixJ54bld7cXcrTzEwQlGqwzdodI3odqjjTcsq3mNZ3B5LnXXC3JUWF8/OnRLEiJengu7f9wOFBxxAA==
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

2026-09-17T09:47:54.014303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088672
observed ced1e136deb314f618856ef5ac568109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.998912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088672/manifest.json
observed 9a103285e36a7833cfaa0b47048f3575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.980619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088672/publication.md
observed bfe3e6c46b35c332d52285b64a28b396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.962123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088672/publication.txt
observed 7d63b169d2faee69e4fb3fe0b226baad...
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.