OpenTechnical

OT-2026-000049783

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049783) never changes.

Identity and time

Publication numberOT-2026-000049783 · never reused
Internal UUID01a0ae81-8fef-7d35-ba06-05a88a109743 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049783
StatusPUBLIC

Content hashes

Canonical text12bd16ee81a6c20f7eedcd24f6d049b7784c490354967e08eb8237fec6184b9f
Markdown89b2401e17d8e504a39fa25e176e9a90100cddc178f0886df0895770e2aff65c
PDF
Publication pagec367a78f060c06e88e03ea5d6b57615457c6c6e147d9bfee27a67147c90fd34f
Manifestddcfe19b67a1f993088dc5ba8134c2c31ecf8a9e45a2ac796f3b92dd95ea15d9

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
SignatureYoXBCl1I4OlhiAXNNvOsOULqMdp0cO9ofQ9Ol4jfq/aCtDk/DaEkATEzwBZh6mxBlprKMC4lb/dO7KcMwRP2Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:54.039364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049783
observed c367a78f060c06e88e03ea5d6b576154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.020786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049783/manifest.json
observed ddcfe19b67a1f993088dc5ba8134c2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.003304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049783/publication.md
observed 89b2401e17d8e504a39fa25e176e9a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.983204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049783/publication.txt
observed 12bd16ee81a6c20f7eedcd24f6d049b7...
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.