OpenTechnical

OT-2026-000027521

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000027521) never changes.

Identity and time

Publication numberOT-2026-000027521 · never reused
Internal UUID01a0ae72-6998-78e3-82c3-87764b5d0799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027521
StatusPUBLIC

Content hashes

Canonical textb12fe1f359d64ada4ef6b082c5140a7d1ea95f099be241fad7bc8955128d77f0
Markdown12ea004cad156d8ce12a614bff4fa820129ed61f4101f86846fc486ed443b810
PDF
Publication pagebb1e3d3fdc7558f9a4edf85b54d07bf20313951d8e488eef774fc8ec520427e3
Manifestacbe38e56b557ddb983f7b7c3bd7228249188d1aa97a1127bdf41140d8522198

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
SignaturezPzqGZJ54KE08KR8Mz/KIcPxJBWnmiCjXaPSjSaUp9Id6v9ADa0b5PpPzvcq+YztWaUP091zgs9CjqtakaBzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:00.053803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027521
observed bb1e3d3fdc7558f9a4edf85b54d07bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.034570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027521/manifest.json
observed acbe38e56b557ddb983f7b7c3bd72282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.016041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027521/publication.md
observed 12ea004cad156d8ce12a614bff4fa820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.998202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027521/publication.txt
observed b12fe1f359d64ada4ef6b082c5140a7d...
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.