OpenTechnical

OT-2026-000015356

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000015356) never changes.

Identity and time

Publication numberOT-2026-000015356 · never reused
Internal UUID01a0ae6d-ef49-7eb5-80ad-0c662e846e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015356
StatusPUBLIC

Content hashes

Canonical text3ed230990336dfa09a4683e17d435f781617b0533161aae4ba0fd4c7a0961cc1
Markdown64ce38f100a7d2d1732fe221c871ec90cba4667326c33bfefb7f17964b238379
PDF
Publication page6d992821900b4c8c57af4e843f6125f95d4c97805529b3017402845b144add73
Manifest836c5de61bd99788e28197c79a04d39245d7d5ed419152a70f9b779f30b5ed45

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
SignatureggSx6+Rbsu5FARZv/7X/deBkmKtupyN2zdO+3EmRKXLn7+YbAVGJHGW1awWL8iwLiUhMO3yoFnM0gUej6R62AQ==
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

2026-09-17T12:06:03.851860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015356
observed 6d992821900b4c8c57af4e843f6125f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.830754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015356/manifest.json
observed 836c5de61bd99788e28197c79a04d392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.809352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015356/publication.md
observed 64ce38f100a7d2d1732fe221c871ec90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.787175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015356/publication.txt
observed 3ed230990336dfa09a4683e17d435f78...
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.