OpenTechnical

OT-2026-000102279

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000102279) never changes.

Identity and time

Publication numberOT-2026-000102279 · never reused
Internal UUID01a0aea4-50f3-7874-ba8c-fe45893e9441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102279
StatusPUBLIC

Content hashes

Canonical text7f8c765dfc92800c1c52e6fe25b96f3a1799493b14e7fdf3d8bf191f9fe1ab29
Markdown5d2a859face92eb3f2c52810c4e92fbf28b529efc1d27765be5fbac8c1286f27
PDF
Publication page55c41f3f947fdaebecb762553b52f897cc7cb4553871733b1494108dfe3c0c49
Manifestf502de846fd97445afe6e37d0f231d09804f5e6e625212bc6ead9f7ef3e6c853

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
SignatureDvpHGc/dlku3P7R1F+LTp12Os54skZiDZtE84WgNgO7Jx+SU99YMv3I84wUvd8vse7YraUak4+GsQdsk4FAJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:28.171770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102279
observed 55c41f3f947fdaebecb762553b52f897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.151868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102279/manifest.json
observed f502de846fd97445afe6e37d0f231d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.131822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102279/publication.md
observed 5d2a859face92eb3f2c52810c4e92fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.111512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102279/publication.txt
observed 7f8c765dfc92800c1c52e6fe25b96f3a...
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.