OpenTechnical

OT-2026-000069200

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069200) never changes.

Identity and time

Publication numberOT-2026-000069200 · never reused
Internal UUID01a0ae90-6dcf-7313-92b2-3f74839979a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069200
StatusPUBLIC

Content hashes

Canonical textef726e7ec9665a6fe64343b10e36ce5d2c1f59542302bdeb47fde7a369de5457
Markdown25d7717271f0738186f117aaae107db5bddeba4dc0beb3a81755f3e7facb6508
PDF
Publication pagea267dfb1dec0a6a6ac1c721dec531f843580b7c0aabb8ebdb80a30b26e7436be
Manifest53d3854be37b881ebc4311e626e3f7360c2bc7183292ffbbc6d6a8ffb8176f19

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
SignaturevEX+ijG/ZOVjHTLwvxWwi5OrkXcSIJI67dhLGIT5vvgFFERLGOk1FJYXZ3oq26dJq5eukarG5UhiaMrTT4LGAA==
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

2026-09-17T10:29:05.946331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069200
observed a267dfb1dec0a6a6ac1c721dec531f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.926531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069200/manifest.json
observed 53d3854be37b881ebc4311e626e3f736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.907907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069200/publication.md
observed 25d7717271f0738186f117aaae107db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.876150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069200/publication.txt
observed ef726e7ec9665a6fe64343b10e36ce5d...
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.