OpenTechnical

OT-2026-000048363

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000048363) never changes.

Identity and time

Publication numberOT-2026-000048363 · never reused
Internal UUID01a0ae80-4de4-7cb6-9dbf-f457d69c1dad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048363
StatusPUBLIC

Content hashes

Canonical texte170a46b2ecd8c47e62d5344ec7fb49b90f166825c2ca988ed2efc9b07fec400
Markdown1ea8699bb7e63765db8e93930a00b40e5aaf488bd9b20f0e75ae96cd7c5be7c7
PDF
Publication page485384d51f06a8ad98fc1777437123a571b3ce787729be60a6cc460f26f6283e
Manifestac4db2e5a2d4d75bd9e2cd669b04d9ee71fd83b3eb3a316b7ceab0e89ddb6b75

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
SignatureR4Q99yOSU890QTBbgEb1EZi2eQ6YdggzhFOtXIx3Tjbj4f+wX4pHhogtByQRlNCQva/mTemx+6eZaSIADqIoDw==
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

2026-09-17T11:04:59.069221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048363
observed 485384d51f06a8ad98fc1777437123a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.051323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048363/manifest.json
observed ac4db2e5a2d4d75bd9e2cd669b04d9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.033412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048363/publication.md
observed 1ea8699bb7e63765db8e93930a00b40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.012838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048363/publication.txt
observed e170a46b2ecd8c47e62d5344ec7fb49b...
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.