OpenTechnical

OT-2026-000067543

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000067543) never changes.

Identity and time

Publication numberOT-2026-000067543 · never reused
Internal UUID01a0ae8f-6bda-78c3-ac90-b510f543952d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067543
StatusPUBLIC

Content hashes

Canonical text915ea9daccf24edc6c411c835594d461d875b72b1c7cd62322c6072d7113c37d
Markdown49e0f0ad6280c5ae174c33791ad22975a9931fc437049f782c762ef51cce4421
PDF
Publication pageaf5d469c91e148da92c2c640b79af5bf10ba68e699b6c5aaa4f3134ea48f8068
Manifest8ee5f7a5067cd46f12592e3330832cba0649800e5e94fda93052779121217338

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
Signature4B4ykmKoAARCb85NvaWXn7LXtaReZZBJM9Ly4ZRp7IeDBKE4tBBInDyegm3gYQXXFtQq0rRynt01AcqdDG47AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:50.886146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067543
observed af5d469c91e148da92c2c640b79af5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.869302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067543/manifest.json
observed 8ee5f7a5067cd46f12592e3330832cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.852436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067543/publication.md
observed 49e0f0ad6280c5ae174c33791ad22975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.834304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067543/publication.txt
observed 915ea9daccf24edc6c411c835594d461...
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.