OpenTechnical

OT-2026-000009977

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000009977) never changes.

Identity and time

Publication numberOT-2026-000009977 · never reused
Internal UUID01a0ae6b-cb79-7e59-9e4c-7bf643eb8e6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009977
StatusPUBLIC

Content hashes

Canonical textfc9b98453741b0b572945fb5fe624f450a6748f037ee38bd31bc690e073aa969
Markdown5a8d63cf88daa6744619c715c30dde50b87c37d4c1144348ae1adb3797434ea7
PDF
Publication page897e4293d4fab5cbbc11dc0340604251c99010113ee117921f8560234006a75a
Manifestcce0f1c6c52bde57cd9f28c7af846c9dac884327fb2f435aa24c3598269b388b

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
Signaturei7lsJXDnP3EkAPHO26aJ0iro+l2KJbYZdgQ0A6owG7n707bjE3PEqagv6spdBOaICgb+7sNCua7WMA8u1Ir6DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:01.170469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009977
observed 897e4293d4fab5cbbc11dc0340604251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.151809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009977/manifest.json
observed cce0f1c6c52bde57cd9f28c7af846c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.132305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009977/publication.md
observed 5a8d63cf88daa6744619c715c30dde50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.113955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009977/publication.txt
observed fc9b98453741b0b572945fb5fe624f45...
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.