OpenTechnical

OT-2026-000068018

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000068018) never changes.

Identity and time

Publication numberOT-2026-000068018 · never reused
Internal UUID01a0ae8f-c4fe-7984-b811-f4db83a72b01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068018
StatusPUBLIC

Content hashes

Canonical textef7e7853aac32220db46fe792eb32b39424144cc532e46a7b8c297cc4f32518e
Markdown5247d15fa07c3b0030b9a863bb4b09b7aaa16158743ddc76fc8d99aedef92ce5
PDF
Publication page2d914b8094c0c47cd5157ded1326ba2c13febf36fc9a08a5be5cd7b630bdb3b9
Manifestb0110e3d4927804948daba3d4cd082797fb1171c5869f59c6d4b537d4e8c39c8

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
SignaturepLhYybX1SUd/HNWeKMmpMOpecXI4lGEu9XcGh2NlKg33/c4S3Mt3lzqsEnxHi6KBZlPaPoETO4jp4ZR4eJ5VAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:34.596876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068018
observed 2d914b8094c0c47cd5157ded1326ba2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.577578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068018/manifest.json
observed b0110e3d4927804948daba3d4cd08279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.560421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068018/publication.md
observed 5247d15fa07c3b0030b9a863bb4b09b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.544114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068018/publication.txt
observed ef7e7853aac32220db46fe792eb32b39...
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.