OpenTechnical

OT-2026-000074926

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented before 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-2026-000074926) never changes.

Identity and time

Publication numberOT-2026-000074926 · never reused
Internal UUID01a0ae93-ac2d-72b0-bda6-b5874f8e2826 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074926
StatusPUBLIC

Content hashes

Canonical textb755e450d61d260a47cf15de7e67a3d5975f3a3d693570089d0d6898357f1370
Markdown9ce933bcb6b10abc24257c382d8b8156b894f793623a1fb3f24b78d0e245a5ee
PDF
Publication page0fe1898b02317ee7cd68963fc27b81f31bc280fc6b881c0771061bc121aaa3c4
Manifest663bb92e4c5ca1507bf7c198b7f5f2bf7d3ef24efaca17b1d1fa07eaa3450407

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
Signature9IEilmfqjapn97b71K9ElMdaww4KtTfihqiEF6rvxdqTpFj1btXveCCl0dFcDlXCUT0OfjkzY7xwPUsMAISYBQ==
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

2026-09-17T10:18:39.227029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074926
observed 0fe1898b02317ee7cd68963fc27b81f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.211301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074926/manifest.json
observed 663bb92e4c5ca1507bf7c198b7f5f2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.194426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074926/publication.md
observed 9ce933bcb6b10abc24257c382d8b8156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.177653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074926/publication.txt
observed b755e450d61d260a47cf15de7e67a3d5...
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.