OpenTechnical

OT-2026-000049995

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000049995) never changes.

Identity and time

Publication numberOT-2026-000049995 · never reused
Internal UUID01a0ae81-fd78-7245-9415-d9acd062445a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049995
StatusPUBLIC

Content hashes

Canonical textc68e4a9b52c93de13f58ece84f8b9afa088f002746c2bc015172a9e153d89b5e
Markdown991c9d891def39f90daa00fbd0817d6cc711835952c0c80784da750be635fe2f
PDF
Publication page52acb958e3c1f4f0e66654625766c597811b3fc6cc0ad79e25ec07cd129a2c29
Manifest5cfa142210594c17d7109a962e43e4cddb16ee321c952eba31b0f8eaa14a77e7

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
SignaturehdIQRymKUyZq8kMsn2pIpz3iNqVT7YOyvyva9Aphlia4bfoz8Ec3VM7E8NjckLcNyZ6a2WeHnuWkobfqvLxKAw==
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

2026-09-17T11:01:57.103572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049995
observed 52acb958e3c1f4f0e66654625766c597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.084577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049995/manifest.json
observed 5cfa142210594c17d7109a962e43e4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.066158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049995/publication.md
observed 991c9d891def39f90daa00fbd0817d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.047070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049995/publication.txt
observed c68e4a9b52c93de13f58ece84f8b9afa...
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.