OpenTechnical

OT-2026-000061407

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000061407) never changes.

Identity and time

Publication numberOT-2026-000061407 · never reused
Internal UUID01a0ae8b-7b42-799e-a746-ddaeba54a0e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061407
StatusPUBLIC

Content hashes

Canonical text7508f38e0da593cab3241d8f508b66a009adbb51ea29c7b1b0e1d968c8a7ba3b
Markdown29313891bdd18e14f46427269620043a2662d22fd2243dceea0e3d3f5b60f12c
PDF
Publication page055318a4de608aeef0c4fbf4427ca48b7e612f7b153854d6d98f8a2390940052
Manifesta197398957c0779227907a281871f331324725e8f18b2ebde39eb3687793711f

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
SignatureK4qTtP043VOdttYT2rFr3RNmOxs/xVitCdgNJrtETwiyONj22f5PmchbZaViWQr3EIHdqe4pkYPr5eQMmnb+Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:16.421117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061407
observed 055318a4de608aeef0c4fbf4427ca48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.403757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061407/manifest.json
observed a197398957c0779227907a281871f331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.379008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061407/publication.md
observed 29313891bdd18e14f46427269620043a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.280044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061407/publication.txt
observed 7508f38e0da593cab3241d8f508b66a0...
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.