OpenTechnical

OT-2026-000068249

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000068249) never changes.

Identity and time

Publication numberOT-2026-000068249 · never reused
Internal UUID01a0ae90-247f-7dc3-bd03-576dbc3f0634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068249
StatusPUBLIC

Content hashes

Canonical text5906083bc45ac8a4b33a076835305a0e8302f003067748414ab2124c2a1d5635
Markdown7a70faf1b8df2982c2ea7872fd468b9d9874b30de34dd4484a3714d999e81f6b
PDF
Publication page3ee51387c96a037c7bfe868dc688d9da49dc9f4e427c566853aa797e5a77c8d2
Manifest6c834f13869013878a64b34ef8965e8c408f9ac9b05c5e1f7e3737c36230caa6

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
SignatureE1qy2rBVO6LyG18ni4GdwVEkoFzavCW4sJktYbGVZLRmuQSwN3EUkBVWA9Z/heAx4Ty7anzTk3tX4KEasaoJDA==
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

2026-09-17T10:29:16.264505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068249
observed 3ee51387c96a037c7bfe868dc688d9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.248527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068249/manifest.json
observed 6c834f13869013878a64b34ef8965e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.230567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068249/publication.md
observed 7a70faf1b8df2982c2ea7872fd468b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.211943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068249/publication.txt
observed 5906083bc45ac8a4b33a076835305a0e...
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.