OpenTechnical

OT-2026-000005009

Publication integrity record

Porous face vacuum gripper, per zone isolation, four outlet manifold, three stage ejector

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-2026-000005009) never changes.

Identity and time

Publication numberOT-2026-000005009 · never reused
Internal UUID01a0a92a-ddaf-7789-9114-93d6734b4b4a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:33.907716Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005009
StatusPUBLIC

Content hashes

Canonical textcabbecf089fe3d90ed4b8e73c093b66fed3e4981fc7d023b3cd3951371eee6e6
Markdown5f953471387b6d9b65894fbd312ddd57212faf68db83de53e7eebc1850fa2550
PDF
Publication page473197085b4bf0d4783cfdfc64febab4c9508d05701ec25f00b47d1c9f5dca05
Manifest6c6727171bee7ec0b8a11957e4043011afe68913f84d069d2ccc7967ebe79970

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
SignaturetRSRtfHOgm1ZvdR+ww5dwhDYGgZd3U4Mfilat4g5duGTj33ddOqY4YJh7Ss3Xr8FHUZra3sESVHt9/gLvoBLCg==
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

2026-09-16T07:50:25.405229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005009
observed 473197085b4bf0d4783cfdfc64febab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.392592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005009/manifest.json
observed 6c6727171bee7ec0b8a11957e4043011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.378970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005009/publication.md
observed 5f953471387b6d9b65894fbd312ddd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.245287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005009/publication.txt
observed cabbecf089fe3d90ed4b8e73c093b66f...
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.