OpenTechnical

OT-2026-000085856

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000085856) never changes.

Identity and time

Publication numberOT-2026-000085856 · never reused
Internal UUID01a0ae99-e829-79fe-8ae8-40b1dbd227d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085856
StatusPUBLIC

Content hashes

Canonical textac44cd3ec854d52737c04bf0f7d1d883f2a1aeb75fa7ef40396ac564137680ec
Markdown6780a213d0d12997c6e4f98db9c5d230db81c7a8d8db2dec604623fb8d139788
PDF
Publication pagec7c43addfe126e5c55acb6ca1dba85148e7da7acac90c2ec896fd58c17c4c5de
Manifesta283c746a7f052d5363f50645babbbe1882b082df1d55796e605b5b6838a366b

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
SignatureQCMDodzTVnhA3Mr8Hb+xJjTsExgAH8ZXBcalbFASxfMGR8G+ur2ZPm+34aUcJrNayWEDKHxg/Uq2PIj4oqOBCQ==
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

2026-09-17T09:52:47.070028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085856
observed c7c43addfe126e5c55acb6ca1dba8514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.052779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085856/manifest.json
observed a283c746a7f052d5363f50645babbbe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.034452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085856/publication.md
observed 6780a213d0d12997c6e4f98db9c5d230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.017814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085856/publication.txt
observed ac44cd3ec854d52737c04bf0f7d1d883...
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.