OpenTechnical

OT-2026-000088294

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088294) never changes.

Identity and time

Publication numberOT-2026-000088294 · never reused
Internal UUID01a0ae9b-5d26-7e19-9eaa-1aac3575c5a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088294
StatusPUBLIC

Content hashes

Canonical texte41989015e04b63ba8961f333190b06e612c13a61947c57c8bd386dcc4d00cce
Markdown39ac4d4f0a0a735f7b02b516d8155ddcbc25fa4fab9822af83e3f27325794c20
PDF
Publication page77eb6247cb9dce1ff687e0c5e15a820a14cf59297c03783bececbe4bf1a49d19
Manifestd7295e627997fa3cdd0bca7e16c223e77f9607cab43dda3b5e11250e5d8991b2

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
Signature3RUzs5mwTKo7sAYD2SnJb1GtbvGJhOZ/HhBXLTxU+Vhe4gX2uMyV7PDS+f9O2ysz9MRp2DAy5rFdgBgnj3yyBQ==
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

2026-09-17T09:48:33.772800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088294
observed 77eb6247cb9dce1ff687e0c5e15a820a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.734604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088294/manifest.json
observed d7295e627997fa3cdd0bca7e16c223e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.715250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088294/publication.md
observed 39ac4d4f0a0a735f7b02b516d8155ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.676973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088294/publication.txt
observed e41989015e04b63ba8961f333190b06e...
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.