OpenTechnical

OT-2026-000044495

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000044495) never changes.

Identity and time

Publication numberOT-2026-000044495 · never reused
Internal UUID01a0ae7c-39d8-71af-a71c-5794d27e12fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044495
StatusPUBLIC

Content hashes

Canonical text397e7400a7c8caa4c37d8d1df4ba65e97bdf1b094a6cf8bf024511da9c3eeec6
Markdowne717ec4ecd7e3fd3211841bf4a721f039ef564fbe068cdf72a255fe44f3c9177
PDF
Publication page505275a957177ad1a8f185e04553a66d40eb7a58f5ea7e3757d89832294657f2
Manifest940b3852c2da595852854b74e96b32498249f1b04cb40a0d00d4f405a2600ecb

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
SignaturexaS23JGJfuDNk3juzQz09b59kM7gFf9CSpG9YWY1MnReO1Hyq0JqYiPbRkkDWFl9xJHXaHLBvnx88p8Us7jvAg==
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

2026-09-17T08:30:57.804994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044495
observed 505275a957177ad1a8f185e04553a66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:57.786438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044495/manifest.json
observed 940b3852c2da595852854b74e96b3249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:57.768874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044495/publication.md
observed e717ec4ecd7e3fd3211841bf4a721f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:57.751721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044495/publication.txt
observed 397e7400a7c8caa4c37d8d1df4ba65e9...
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.