OpenTechnical

OT-2026-000059588

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000059588) never changes.

Identity and time

Publication numberOT-2026-000059588 · never reused
Internal UUID01a0ae89-ec23-7fdf-b3e0-7db0cc8b49f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059588
StatusPUBLIC

Content hashes

Canonical texta3f17a8b49dd6df56cb5a42dfe91f11e692ce0af186a66c18664b2538ab96de2
Markdown883540bae61e0a4a828e02957adb77bd8740a2024f723fb26868a17e46c6f046
PDF
Publication pagefa825bfb58bde611a0d2a594dab1b8fd1631b54750fcc56e60061594f50a3d27
Manifest56526ef46a06d7298a6f4d9fefc800a447d04a9209a06a867dce83004e2043b3

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
Signature3Ozu1slWjZ5R412KCHEC/wnysKHDUqPdmcE2wvbr3xGHyFyquRmo3lft2712wI2OWe6ELfCuX+J7ZMUryPEaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:14.366593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059588
observed fa825bfb58bde611a0d2a594dab1b8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.350436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059588/manifest.json
observed 56526ef46a06d7298a6f4d9fefc800a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.333636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059588/publication.md
observed 883540bae61e0a4a828e02957adb77bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.316272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059588/publication.txt
observed a3f17a8b49dd6df56cb5a42dfe91f11e...
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.