OpenTechnical

OT-2026-000053103

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000053103) never changes.

Identity and time

Publication numberOT-2026-000053103 · never reused
Internal UUID01a0ae84-a431-75d5-ac8a-56bc07bdd4ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053103
StatusPUBLIC

Content hashes

Canonical textcde4c129cf559315f35e344bb4b243b3f02f4bd91fa3d817d5c29560f4685756
Markdowne7bb5e3b2cb8441d5455623a15cd9cd874bac0c743648faee29af70bb7e8df1a
PDF
Publication page468670caf614ebb3d572b0d17de0126f59ecb202b5a0a220e6393942f9c5c9c7
Manifest62681472ccdad0b23ad47d80212f6ecad8bd05a2730e8444dc20ff136d3744a0

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
Signaturea/5qJqWaTrCKxZ4cS3zh15YI5jSuQIn4+Ubfgo4qF6NHuc3b2njTLn4iSNsU0BkMSIkNvjhAEB6UJ8QujkRZCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:49.604429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053103
observed 468670caf614ebb3d572b0d17de0126f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:49.587966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053103/manifest.json
observed 62681472ccdad0b23ad47d80212f6eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:49.570620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053103/publication.md
observed e7bb5e3b2cb8441d5455623a15cd9cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:49.551131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053103/publication.txt
observed cde4c129cf559315f35e344bb4b243b3...
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.