OpenTechnical

OT-2026-000043015

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000043015) never changes.

Identity and time

Publication numberOT-2026-000043015 · never reused
Internal UUID01a0ae7b-3278-7fe3-a444-d2f5456d2dd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043015
StatusPUBLIC

Content hashes

Canonical text0514a9f43eb4f6f13697e31fbcf7fa530a5aa2c1561e3fc48a4a975c4f7e58e6
Markdownbd1a1520175b936ea48097dc4fb19a18ebcbdb6832376acfe8550547a1f0f05b
PDF
Publication page6c603bab0a493f882bd76ac7f55aedfd55d3f5f03289b55bb10ccbcd69dfd0ff
Manifest6ea2fb5126f52c42bfa23d1a6b28fe788d6b3b551d6384207759865475f5a343

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
SignaturepWIA+mco2JpqHspLyeluFZvterDYCkFIrkkHZ5PwppMryWhteR2+62nZFo1nyhAIDxjwjT0FbmN1pYfYa3U2Cw==
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

2026-09-17T11:13:19.726940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043015
observed 6c603bab0a493f882bd76ac7f55aedfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.707005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043015/manifest.json
observed 6ea2fb5126f52c42bfa23d1a6b28fe78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.687790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043015/publication.md
observed bd1a1520175b936ea48097dc4fb19a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.667527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043015/publication.txt
observed 0514a9f43eb4f6f13697e31fbcf7fa53...
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.