OpenTechnical

OT-2026-000007023

Publication integrity record

Porous face vacuum gripper, per zone isolation, three stage ejector, pressure verified, 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-2026-000007023) never changes.

Identity and time

Publication numberOT-2026-000007023 · never reused
Internal UUID01a0a96f-e696-7e9f-a987-7c31efce765e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:58.169443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007023
StatusPUBLIC

Content hashes

Canonical text07255aed0fbac8c75476b0f52fd753647241780500887cb227e2b782ca0d8aa8
Markdown91fedba1e9ac2383044ad470074bb1a939ccadc81d4ae0559354c0b06c9c6acb
PDF
Publication page0a7ca2f1dd3f6a69d5507e5622bba1c8af0a0bfd643210b29fe8d747b3804184
Manifestbacc3a06b686a2800b924cc7e3d409587a688dcc1dab8d3d1ea3cc810008899c

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
Signature1zNfaKcBBNe8Fu3goUhwmQF95xF2/a9u3dCD0CE79KsuRWlmsMjzfKQNbsNjx1o2RJgpCOPSljFmj9xtjW+iAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:10.662794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007023
observed 0a7ca2f1dd3f6a69d5507e5622bba1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.650042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007023/manifest.json
observed bacc3a06b686a2800b924cc7e3d40958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.636726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007023/publication.md
observed 91fedba1e9ac2383044ad470074bb1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.498887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007023/publication.txt
observed 07255aed0fbac8c75476b0f52fd75364...
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.