OpenTechnical

OT-2026-000048257

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000048257) never changes.

Identity and time

Publication numberOT-2026-000048257 · never reused
Internal UUID01a0ae80-4de3-7de7-bf3f-c7d90383b320 · 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-2026-000048257
StatusPUBLIC

Content hashes

Canonical text4b536370c4cff642bfa53729cc6f06428cd4b4930238c48be99753afe8f9c097
Markdown39754fe25881b181c4952ea6aa05a4352a54a662971118e344ef708e805388ab
PDF
Publication pagea5694c5d1039f90f9a52c2d002cd8533bf6ef7d7f8cf11bcdfc04f5fe0aa565a
Manifest036d7b62db93971dd30bbc606e8fbb01826ffe00a3c3271e471e61aff602abaa

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
Signature3oewRpDNhJb7bdyDpwsPrzQQYG8PU+DqVozlTYhVgtsMOLp4CrDoxfz3Q7UHfKHHJjyeSO86Q+lMaiRj4Z3ABg==
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

2026-09-17T11:04:49.643953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048257
observed a5694c5d1039f90f9a52c2d002cd8533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.622099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048257/manifest.json
observed 036d7b62db93971dd30bbc606e8fbb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.598219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048257/publication.md
observed 39754fe25881b181c4952ea6aa05a435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.575121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048257/publication.txt
observed 4b536370c4cff642bfa53729cc6f0642...
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.