OpenTechnical

OT-2026-000016797

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000016797) never changes.

Identity and time

Publication numberOT-2026-000016797 · never reused
Internal UUID01a0ae6e-5919-7cba-964a-0668d1893dca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016797
StatusPUBLIC

Content hashes

Canonical text0c38b40ea28daf9d19bd358f2a0b7ab5f196117b9efec8d358e3cf4cc087aa1f
Markdown35f2ff7351c08c77a1721e5f46e14c6de0552d588c9562d5c10aee979cd0d657
PDF
Publication page64f59149b5e02fd3fbf317a088ca9e4042f93e853c6509be977a4dd7cd8d0165
Manifest206eb54e2d0565d9334f409be397afa97a535a75355ebf66e38c8600d0007faa

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
SignatureAT0Rl3qkq+uGm6E3nCD1oPStJcpk/UN9pIBVnM++3PUIT0qZzo5a7xVIezOiqmBSEqYHeoQgGT5YLIBKyX/SAw==
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

2026-09-17T12:03:02.786476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016797
observed 64f59149b5e02fd3fbf317a088ca9e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.770667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016797/manifest.json
observed 206eb54e2d0565d9334f409be397afa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.753295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016797/publication.md
observed 35f2ff7351c08c77a1721e5f46e14c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.736564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016797/publication.txt
observed 0c38b40ea28daf9d19bd358f2a0b7ab5...
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.