OpenTechnical

OT-2026-000005780

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, vented after set down, open cell

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-2026-000005780) never changes.

Identity and time

Publication numberOT-2026-000005780 · never reused
Internal UUID01a0a944-a467-719f-8de8-7adc6270203d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:43.178053Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005780
StatusPUBLIC

Content hashes

Canonical text1b106080741eaff4ab31e641c517c0f5c827e6ae90c7daf7028c4182cf973901
Markdown7e93ca12f06d60e467ab95652c657e6672d89a606271ea9cabc0129927645e29
PDF
Publication pagef823e52947fd45d1c9ff4824feb28c3a39d3b1d3ee57f93c7bab3818adda806f
Manifestf42228039673a66d2b9ca1e27c456f50c9f054330f942b199c3ef99fb7b3b547

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
SignaturevES0CqT3ZUwUzRGmthE01oFGNKXHXFBMkqDsf/k91O5s7QxQITXmHRNe+1ZBL7VC4h4oiScGbSJSor9SdlLUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:33.709984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005780
observed f823e52947fd45d1c9ff4824feb28c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.697722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005780/manifest.json
observed f42228039673a66d2b9ca1e27c456f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.682530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005780/publication.md
observed 7e93ca12f06d60e467ab95652c657e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.668706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005780/publication.txt
observed 1b106080741eaff4ab31e641c517c0f5...
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.