OpenTechnical

OT-2026-000079705

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, sustained blow-off before set-down

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-2026-000079705) never changes.

Identity and time

Publication numberOT-2026-000079705 · never reused
Internal UUID01a0ae96-4375-79bf-8ac2-9624228846ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079705
StatusPUBLIC

Content hashes

Canonical text29d72436fcd231fccc54b9b90f92524aaef58a9f5aaa396865b9b4a42430aabc
Markdown8e15e985b0c9fe3abe3480cd10b533930f3786a917d44bca8205bc02fcb3f8e5
PDF
Publication page68efe7c64952e408bbcd925fc879af161aa0525c3ad9b4211c10c32dea824c5d
Manifest52f0ed76e1533cfd070fc3b997129b8694a87b34aa8f75c82b70b670d8a28f25

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
SignatureGjU0S+7doS7OIurSjsjWMxX94PYEtMjksCEx53iX3pfsBqeN4hA72rYhrI+C93ea9JWN6NyseIaIl1H+vod1Dw==
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

2026-09-17T10:03:28.813700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079705
observed 68efe7c64952e408bbcd925fc879af16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.795747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079705/manifest.json
observed 52f0ed76e1533cfd070fc3b997129b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.777205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079705/publication.md
observed 8e15e985b0c9fe3abe3480cd10b53393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.759226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079705/publication.txt
observed 29d72436fcd231fccc54b9b90f92524a...
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.