OpenTechnical

OT-2026-000091643

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091643) never changes.

Identity and time

Publication numberOT-2026-000091643 · never reused
Internal UUID01a0ae9d-43b8-7d92-8bc3-7e2560658560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091643
StatusPUBLIC

Content hashes

Canonical textd3ff1f9b8c9b2df001fec1febbad22a1b988a1122c05e38bc8374d038f8a71ec
Markdown2c2af4f2b09de9ccfbff3bf0531ad2f551102a4539cc182589a4591c5dc132c2
PDF
Publication page898a874e49af83afabec9dd8458cdf559f63c63ddecd55b95ca700cd23cb20d1
Manifestfce40445c4ef8b62781feb8c9a275da027b25d263eb4d77c9df23f07587e132c

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
SignaturesyYtrBzQmgyBNL0MbvQubwdnU5DfgucayHT1ALSkacw6/jb+3db8NhwWBMsB5MDh146s9w540UfKAqeRmZj5AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:00.778422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091643
observed 898a874e49af83afabec9dd8458cdf55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.760329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091643/manifest.json
observed fce40445c4ef8b62781feb8c9a275da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.741157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091643/publication.md
observed 2c2af4f2b09de9ccfbff3bf0531ad2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.723028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091643/publication.txt
observed d3ff1f9b8c9b2df001fec1febbad22a1...
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.