OpenTechnical

OT-2026-000068789

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000068789) never changes.

Identity and time

Publication numberOT-2026-000068789 · never reused
Internal UUID01a0ae90-6dcb-7385-b456-64a9b0d174f8 · 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-2026-000068789
StatusPUBLIC

Content hashes

Canonical text6941bbb151c6b179896e1e9e46d2cef22b9b86c3d824157d3be1ddfbd4b2167f
Markdownfa22d9659b5f9f1ea62378e6cd5246696094ae06b5fd81f4db52664f12dcf6c2
PDF
Publication pagec260590a5fad4afa0e3a586ad7828952f841b8ab7ee7ec40865481b88eee0c20
Manifest020876cb8d304ccc48cfe134a05a7bae42a37908bd9a6cb3ca1ce997cfc9765c

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
SignatureoAANrHOtvH7mLTP5BXZjmRCc4eJL2hHB69eXbyAm6NEJ8hDHdhXuQyXxyTqNBFRCnpSaYTuf4JtvlbiyVUhkBw==
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

2026-09-17T10:28:35.087369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068789
observed c260590a5fad4afa0e3a586ad7828952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.071418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068789/manifest.json
observed 020876cb8d304ccc48cfe134a05a7bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.055212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068789/publication.md
observed fa22d9659b5f9f1ea62378e6cd524669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.039163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068789/publication.txt
observed 6941bbb151c6b179896e1e9e46d2cef2...
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.