OpenTechnical

OT-2026-000073715

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000073715) never changes.

Identity and time

Publication numberOT-2026-000073715 · never reused
Internal UUID01a0ae93-2b8d-7dd7-a3c0-0d02e70f16b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073715
StatusPUBLIC

Content hashes

Canonical text4580dd92412eed0e17d20c3e577bd51613b7f98ae05050079ad0473e9c7f77be
Markdownde7ba27671065e878197fdba0b25787a986e1049b807a0dcd3c2934a1c1aee8c
PDF
Publication page8f0edee63b2efe82343259ca7f6d1c9dbb23e391a5aa74b6f28def9016c7e517
Manifest7db7528ca42fd95eddfca8f5440368377787ab015f0a720605a794465e6e9143

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
SignatureTP52yLGLGE9cp8jC7l1hyA+DN7OgtXpqccDVVqp5WzhpdqFeDa+qCYm811YxeUMJ0tgK56rrA8mw1aV//iqyCA==
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

2026-09-17T10:19:47.203774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073715
observed 8f0edee63b2efe82343259ca7f6d1c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.186064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073715/manifest.json
observed 7db7528ca42fd95eddfca8f544036837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.167712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073715/publication.md
observed de7ba27671065e878197fdba0b25787a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.149544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073715/publication.txt
observed 4580dd92412eed0e17d20c3e577bd516...
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.