OpenTechnical

OT-2026-000010787

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line 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-2026-000010787) never changes.

Identity and time

Publication numberOT-2026-000010787 · never reused
Internal UUID01a0ae6c-0ee9-72c8-80f6-6cbf0a33aceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010787
StatusPUBLIC

Content hashes

Canonical text1f98d24065e678cc017c41000927d2e9e79a2060633ac5be5e25b48b38cf27bc
Markdownd0bdc9d0e132226b90032bc954984a3b798a4cce483224c48901c31df7a9837f
PDF
Publication page7984606acc3be68fd5c4be8948654e35a08b4ce9567ec3a69b34fae6e08360c9
Manifestbc922cdb1256e794b5871cfd82cb111dbf593ea0d2cc71729c36c4bef2a2abec

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
SignatureRQs2XdlgnXc1EJTidICN+tYZeqSHhXiBbwtvi/pHX2P944QOQbhBPpwTtNGMYP6jPI8D0AW50tSyhypYzGEDAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:15:43.133737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010787
observed 7984606acc3be68fd5c4be8948654e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:43.104553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010787/manifest.json
observed bc922cdb1256e794b5871cfd82cb111d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:43.077941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010787/publication.md
observed d0bdc9d0e132226b90032bc954984a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:43.050218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010787/publication.txt
observed 1f98d24065e678cc017c41000927d2e9...
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.