OpenTechnical

OT-2026-000078879

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078879) never changes.

Identity and time

Publication numberOT-2026-000078879 · never reused
Internal UUID01a0ae95-ccbd-7545-b605-acf6781c378f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078879
StatusPUBLIC

Content hashes

Canonical text8f53d00c60bb94532e3c90d18a63611c1468666b35745204cf57f8d1c197062a
Markdownff09556c49fc325c8843d1a741aade32c0425f2877a2834f8e0d648adc9e7a85
PDF
Publication pagef8098e7261c05bd779b4e60d057a71ebfb38a83caa5b0bdf737f76d49fabbd80
Manifestb6a43f828f58686b0c4dd840b8fff83d659d30632aa8878fae66af9ed5a980df

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
SignatureBJE5ww6sr4X4wVkRN3Owt2hstWa1rhxuwNIC64+pA28+KtTQvUzfVkdmQjjA3OFZwakDSKunBLyV9rafekaNDw==
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

2026-09-17T10:05:40.988682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078879
observed f8098e7261c05bd779b4e60d057a71eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.970836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078879/manifest.json
observed b6a43f828f58686b0c4dd840b8fff83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.953003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078879/publication.md
observed ff09556c49fc325c8843d1a741aade32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.933430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078879/publication.txt
observed 8f53d00c60bb94532e3c90d18a63611c...
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.