OpenTechnical

OT-2026-000085619

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, sustained 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-2026-000085619) never changes.

Identity and time

Publication numberOT-2026-000085619 · never reused
Internal UUID01a0ae99-aaad-796f-8a69-dff6ffedca21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085619
StatusPUBLIC

Content hashes

Canonical text43446b75b6133cccda870a958dfd6887716b60fefaee5394f4562280fac19672
Markdown10d8237780b264570514ac28fb6d193c2d477f712b7dcc259fb3e5c486949350
PDF
Publication page4b465191bd2890915f2dc2ab2770935a7785a5c6deb91c29ef2a2d394b9c973d
Manifest77eb998051917088fa5999084b5621f9d3bb430053f236993c4db80b3087d268

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
SignatureedsoBoAZHSL39aKaJETXSrtAgeTN0xO+qCnhQLR1U8iEinrmys9c5xnnSWIV56km1ardoN3nS6L1Gd3sLPbPCw==
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

2026-09-17T09:54:30.055684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085619
observed 4b465191bd2890915f2dc2ab2770935a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.036257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085619/manifest.json
observed 77eb998051917088fa5999084b5621f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.011483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085619/publication.md
observed 10d8237780b264570514ac28fb6d193c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.987239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085619/publication.txt
observed 43446b75b6133cccda870a958dfd6887...
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.