OpenTechnical

OT-2026-000005525

Publication integrity record

Porous face vacuum gripper, ejector fed, pulsed blow off 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-2026-000005525) never changes.

Identity and time

Publication numberOT-2026-000005525 · never reused
Internal UUID01a0a93b-eebb-7a02-84b4-1f7e3c9701e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:12.384359Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005525
StatusPUBLIC

Content hashes

Canonical textf77c04fa5b7432981225822b3d74e723a01dd54c64259ad316bee394932da4e1
Markdown190a7821b1221b93ca75674ac1da2990180b564df114d7975d843aa8f861ffa1
PDF
Publication page673a19b8cd2403600077377edff3eabeb8a21d352b8e866b622d2931ab8f7c5a
Manifest8173ff2651cee88549908f127668a6dfc4679ff681102f4d495465a4302a8b84

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
SignatureFyHb0gASVaNuJJ984vlETVRr+JxFtAhBB58H/sBQJI4Do868fhjlxrB6F/7j3c73eRkYrRmQIhjebYCe2vdICQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:30.487631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005525
observed 673a19b8cd2403600077377edff3eabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.474810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005525/manifest.json
observed 8173ff2651cee88549908f127668a6df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.461766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005525/publication.md
observed 190a7821b1221b93ca75674ac1da2990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.449307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005525/publication.txt
observed f77c04fa5b7432981225822b3d74e723...
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.