OpenTechnical

OT-2026-000073759

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000073759) never changes.

Identity and time

Publication numberOT-2026-000073759 · never reused
Internal UUID01a0ae93-2b8d-756b-b72d-eebab026e048 · 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-2026-000073759
StatusPUBLIC

Content hashes

Canonical text20843d1416e841c699e321e3d05f28e7c3ee45b4ffef6e749e98960622e75bd5
Markdown432dd8843613e55884cfabaeab8c09334aab54fbd47718e054a9a69733a834f6
PDF
Publication page71da5f7d37f074a6e3cdc66a87d2396c58ac2c6f7053452ca5379791338e0278
Manifest5bb0bd968283a977dcf7085198c917734dc8a2a8c64cf3f286651087125621e2

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
SignatureOQY6cA2HSBOkpv84UOYDWPmiSRCyCoDv9mQRdCNYrBDBMzQ1A6nj6QDTvOae1JJHe0VfmassjPVLfvWZ9+mMBQ==
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

2026-09-17T10:19:51.108397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073759
observed 71da5f7d37f074a6e3cdc66a87d2396c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.088789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073759/manifest.json
observed 5bb0bd968283a977dcf7085198c91773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.066402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073759/publication.md
observed 432dd8843613e55884cfabaeab8c0933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.048422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073759/publication.txt
observed 20843d1416e841c699e321e3d05f28e7...
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.