OpenTechnical

OT-2026-000061571

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000061571) never changes.

Identity and time

Publication numberOT-2026-000061571 · never reused
Internal UUID01a0ae8b-7b44-7220-8b09-0f660517e872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061571
StatusPUBLIC

Content hashes

Canonical text954c1b4706f71e0a24725a96115c1f66501233bddc5aac1f00c60b24001b178c
Markdown6946a77130d2c1e9d23e9428dcd32e53405d0f2c4dd9819573398aac22d1091d
PDF
Publication page7c6d94c917561cf80489419a6882f04bb6138e5e6df5ee2805c5a13bcc43d499
Manifest50a47a7a4a10e7a8062517862707ebb9bcda1aaf813821bd8820fae0e0014284

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
SignatureJVcQsKCkmhkHfVNBM6BeOxnu/O0WPV6BFFl9wDl/hgckzJqVzzqz7uj1LPCcvtlEaXuQn5lDJJqEvKsI72fGAA==
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...

Independent retrieval

2026-09-17T10:41:29.365875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061571
observed 7c6d94c917561cf80489419a6882f04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.348013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061571/manifest.json
observed 50a47a7a4a10e7a8062517862707ebb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.329504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061571/publication.md
observed 6946a77130d2c1e9d23e9428dcd32e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.310069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061571/publication.txt
observed 954c1b4706f71e0a24725a96115c1f66...
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.