OpenTechnical

OT-2026-000078463

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078463) never changes.

Identity and time

Publication numberOT-2026-000078463 · never reused
Internal UUID01a0ae95-7c28-7231-bcb5-59698fda5bdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078463
StatusPUBLIC

Content hashes

Canonical textd4c119591689abb974484ed219189706e78f7ec8c58fd54c57bcc6aedd1494cf
Markdown1ab720a57e9d16fad8430b240cde8baabf3fd53dfc8eae048968b2f27b82563a
PDF
Publication pagea2b588964af1b879a1a9681a66091a2bfa2cb892cee4e7ff2281b935cf6f674a
Manifestd03799b56ac9fb1f36dcbb02bc8c681f09f849763240c7a05babd9557cb2bda8

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
SignatureXq7DkabXUt14ax3422GpWbhrll+lBl26lZh5eiXxuEA6DETQhO61PUBBf8Usw2nEAM2H3Ue6IrgIsE7EZ7O6AQ==
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

2026-09-17T10:06:27.939927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078463
observed a2b588964af1b879a1a9681a66091a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.920137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078463/manifest.json
observed d03799b56ac9fb1f36dcbb02bc8c681f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.900203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078463/publication.md
observed 1ab720a57e9d16fad8430b240cde8baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.880901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078463/publication.txt
observed d4c119591689abb974484ed219189706...
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.