OpenTechnical

OT-2026-000049084

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000049084) never changes.

Identity and time

Publication numberOT-2026-000049084 · never reused
Internal UUID01a0ae81-134d-7461-948c-49604b9729d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049084
StatusPUBLIC

Content hashes

Canonical text858196c053864fcbc20b42a4cff59e54329c62d7702aa1395b8441a8de128bc5
Markdown1d2b3c4d53b7a46a7fcd1efa56f258b9e48c7a0f379a792b96bdaa7b00c4aea4
PDF
Publication page24603d1422fd6bf24ddf6c23c63b948d67290044b8b23305b46f08958cfa6a84
Manifestb3d4d50cb12e63e549036852c840592adf7b8416b3525c7545d33563f1d660fd

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
SignatureqRzfzMeldQK4te3SWpLjzVteHxhnTH5bN9v8tUXEVV9xXpIQ4asDna0eSZRmUR5rM5kYoKG2NFQa8hExWTDCDg==
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

2026-09-17T11:03:19.615494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049084
observed 24603d1422fd6bf24ddf6c23c63b948d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.598110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049084/manifest.json
observed b3d4d50cb12e63e549036852c840592a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.580080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049084/publication.md
observed 1d2b3c4d53b7a46a7fcd1efa56f258b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.563418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049084/publication.txt
observed 858196c053864fcbc20b42a4cff59e54...
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.