OpenTechnical

OT-2026-000056925

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000056925) never changes.

Identity and time

Publication numberOT-2026-000056925 · never reused
Internal UUID01a0ae87-7af9-7370-9cdb-1df864bb2862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056925
StatusPUBLIC

Content hashes

Canonical text5e1d49102a442d39d843387e729ddd92dbbc187e664bcf86c9256daafc2b080c
Markdown9d8480964067c96a79acf52102b5755661399cd306014f6c5884a45adc92e8a2
PDF
Publication page5fe63b693dce370684c109c7c6a70ac344a663064ebdf507fe25e2105eb8d86f
Manifest306661bf5dcd45c34277f51ffe3ff0b622516de2d8e803346aa2d90d409547c2

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
SignatureJXM0Wu/J5KSQM3UQPtnZCndDtDpYRyhKBOOIgfr02S174cQZn+zcOzFfPMrobovZtkzeINgyo6uOq0AENCeECQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:28.281833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056925
observed 5fe63b693dce370684c109c7c6a70ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.265025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056925/manifest.json
observed 306661bf5dcd45c34277f51ffe3ff0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.247079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056925/publication.md
observed 9d8480964067c96a79acf52102b57556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.227817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056925/publication.txt
observed 5e1d49102a442d39d843387e729ddd92...
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.