OpenTechnical

OT-2026-000013034

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000013034) never changes.

Identity and time

Publication numberOT-2026-000013034 · never reused
Internal UUID01a0ae6d-5564-73dc-b863-d7bfee688811 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013034
StatusPUBLIC

Content hashes

Canonical text5d105a5a3d577c5c0b44c0e02a7b47d273f396a6a75d74061fd4c3d978613f09
Markdownfa33402c53cc20af4a44ebda9ced60ab3827fb159b159af74b642769883989a3
PDF
Publication pagedd1193cfd23115c4a0358903547fe2e4df4fc965edb3bc0ebe6eb6ce2d74a28c
Manifestc7173b0451311e7cc98c0f6f0aff196f56c6ba2abd183f1c8e98ebcfa1034719

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
Signatureqdd0es+CIQJthuxywYDZiYuujkwvm9OzLjx42uN5/pL36bE8I+VrQKNyGUWKrRmil2caqUykDJlC8XwRvuopBQ==
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

2026-09-17T12:10:51.813397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013034
observed dd1193cfd23115c4a0358903547fe2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.796893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013034/manifest.json
observed c7173b0451311e7cc98c0f6f0aff196f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.778152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013034/publication.md
observed fa33402c53cc20af4a44ebda9ced60ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.759696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013034/publication.txt
observed 5d105a5a3d577c5c0b44c0e02a7b47d2...
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.