OpenTechnical

OT-2026-000050159

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000050159) never changes.

Identity and time

Publication numberOT-2026-000050159 · never reused
Internal UUID01a0ae82-5c45-7953-ac89-3651805a0504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050159
StatusPUBLIC

Content hashes

Canonical textc72493e7204ed38ea90300bd1e17ed406f9137c39d8f24620508d514561346b5
Markdowne5ba9e5698c354696559442322b86d1f5af6f443043e50857a55e55b7ab1c7c3
PDF
Publication pageeb593ca377cac6e2b2a0e1daaa7fe47388b42b59b3808894db5ae77327f313d2
Manifest640873ca2b5b6a96e2cd9bc73e21480e3923a3475c49ea12e13030567f3f07b6

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
SignatureAPg5hBaD0F6rtEZxxlBqKXeoWgRWAKCA/QUfDAiNdnx1fP8oO9qxgV+OXjKoAYDqC+l60ORl+3gNxqLhP84eDw==
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

2026-09-17T11:01:08.055870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050159
observed eb593ca377cac6e2b2a0e1daaa7fe473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.037426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050159/manifest.json
observed 640873ca2b5b6a96e2cd9bc73e21480e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.019777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050159/publication.md
observed e5ba9e5698c354696559442322b86d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.002485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050159/publication.txt
observed c72493e7204ed38ea90300bd1e17ed40...
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.