OpenTechnical

OT-2026-000102078

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000102078) never changes.

Identity and time

Publication numberOT-2026-000102078 · never reused
Internal UUID01a0aea4-50f2-7bd1-9781-1619e55636db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102078
StatusPUBLIC

Content hashes

Canonical textc8a7e21a2ae2a29a9b4336229fbe5d61e1304a0af9688643bb5d721c2cdf49d7
Markdownf83112c88445cd219c788638a4a1bb82c5e7574ca51bd11a83df348ae644085e
PDF
Publication page9191dd1d518bfda50cdb28f427c1dce8b61bcbc0f91d23e8beab56a460400975
Manifest10e9cc73256ef3ed7331a508a3d554ded817d178b864ca01127af8b53c3b750a

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
SignatureQFrSVR2em/HZEFATZ/m3Te4bx/vB6ZvAUB0E/rnJBgl60lrEKDBf/pkWb2wrl+z0hSmsrB3NjHeKhP4ZLFqTBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:13.538696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102078
observed 9191dd1d518bfda50cdb28f427c1dce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.521594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102078/manifest.json
observed 10e9cc73256ef3ed7331a508a3d554de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.504596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102078/publication.md
observed f83112c88445cd219c788638a4a1bb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.485392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102078/publication.txt
observed c8a7e21a2ae2a29a9b4336229fbe5d61...
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.