OpenTechnical

OT-2026-000067177

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000067177) never changes.

Identity and time

Publication numberOT-2026-000067177 · never reused
Internal UUID01a0ae8f-14ff-78f2-b7ae-9240ceeac316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067177
StatusPUBLIC

Content hashes

Canonical text387eb7c881090d55b03dd39cbca295d3d4958bfe1528975f8f9e2a08186c3340
Markdownd8d03a113994b83855002648cb3a91fa68b6600e42f35e3b395ea1b92b781f3a
PDF
Publication page1153190904df3906e89f7a3a55f11cc92771f25c5968b4c21d79328e1939ab80
Manifestafe7cc9883e4539aeab71595d80f70540f0d6fe94972cbb7a31cdde6bb8c6b06

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
SignaturebNWna90d4gGvpYr/+Vv0T4O6bVDxNispJGwHpustf7Ca2KfARjc+GN014ThKjrZq/HpHGyAJblT1DurOb/zKBg==
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

2026-09-17T10:32:27.597844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067177
observed 1153190904df3906e89f7a3a55f11cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.581366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067177/manifest.json
observed afe7cc9883e4539aeab71595d80f7054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.564574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067177/publication.md
observed d8d03a113994b83855002648cb3a91fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.546789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067177/publication.txt
observed 387eb7c881090d55b03dd39cbca295d3...
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.