OpenTechnical

OT-2026-000004877

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, ejector fed, pulsed blow off after 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-2026-000004877) never changes.

Identity and time

Publication numberOT-2026-000004877 · never reused
Internal UUID01a0a926-49f0-7cf8-bc93-ec436bc6b275 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:37:33.940671Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004877
StatusPUBLIC

Content hashes

Canonical textf05730fcf56524067d9870c37a0a84e763918a951244d34e5b129fb763afe397
Markdownc1160fa383a3cef022520d1d6c2d845acea5057b7bf9d81ce00eb0272dbaff9d
PDF
Publication page39701cdee839c25cd7afaf124c468e9131a28fa88535bd01107e461c708f4d88
Manifestf24cda358be4984b9721014f12e2930ed67b48b42ca9b4eeb2aa68e6f3cc2e06

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
Signature/djG+gllLMZwzopCx6qsgbCDRZmVlG/C4CeuMffzvg9Ph07wyXeXVL9ZciXYNh9956gqxpYkeWm2wL1f9SC8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:09.414240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004877
observed 39701cdee839c25cd7afaf124c468e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:09.401291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004877/manifest.json
observed f24cda358be4984b9721014f12e2930e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:09.387185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004877/publication.md
observed c1160fa383a3cef022520d1d6c2d845a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:09.372882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004877/publication.txt
observed f05730fcf56524067d9870c37a0a84e7...
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.