OpenTechnical

OT-2026-000016623

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000016623) never changes.

Identity and time

Publication numberOT-2026-000016623 · never reused
Internal UUID01a0ae6e-5918-712a-8124-fa4a05a0c12a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016623
StatusPUBLIC

Content hashes

Canonical text99fcef11db7375006766b24a511cf1e7b846dc2f035fc35f0931378edfc00cdf
Markdown59666b7bd20eeb5e1f54743f487d57cf34c65ecf756b7f436c76d5133e82a741
PDF
Publication page4681e629e9345f518ef3a5cca7b30843921e7eb0ceeea22cd3f76ef8791580a6
Manifest74a86eff8f8136f651548c46d6d555ed717f5caa6136ea4ab791fcd8054e8bd3

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
SignatureJ69GCVj6FkSdyyM2NT4wrCEN8rOam6R+isdANgE77tEwMgYEnsu32MZFKvNm2jfKV6gZV41+g0Izq23rTvHbBQ==
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

2026-09-17T12:02:48.712545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016623
observed 4681e629e9345f518ef3a5cca7b30843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.694044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016623/manifest.json
observed 74a86eff8f8136f651548c46d6d555ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.671553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016623/publication.md
observed 59666b7bd20eeb5e1f54743f487d57cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.652449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016623/publication.txt
observed 99fcef11db7375006766b24a511cf1e7...
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.