OpenTechnical

OT-2026-000098678

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000098678) never changes.

Identity and time

Publication numberOT-2026-000098678 · never reused
Internal UUID01a0aea2-42ae-720d-ad12-6972a1bb7a17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098678
StatusPUBLIC

Content hashes

Canonical text1b315d85757ee7723927a6ba4f642c876229278bb2d0a9955d395274545b9a0d
Markdown2c39c48f0ce5b80e4887ac26c57883c8e4a2e28abfd87749287ed2f9317937fc
PDF
Publication pageb29792b043a63f1c67ba4200eafbcc24df8efd923986e58c7374876537266317
Manifest5e288f9c7306ff8a6391b6c8148e2fc528bc0e77f2f4e31287d78f828c345a74

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
Signaturetm/4jF1Vf0QbzBstxxDvq2MVKTTluIxjq5hma3Mu3J7TR0j5zJxZl/6HgKEd/X/5jERmo+NAyKvSbacnQ6WLBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:58.758274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098678
observed b29792b043a63f1c67ba4200eafbcc24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.741950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098678/manifest.json
observed 5e288f9c7306ff8a6391b6c8148e2fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.726541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098678/publication.md
observed 2c39c48f0ce5b80e4887ac26c57883c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.710844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098678/publication.txt
observed 1b315d85757ee7723927a6ba4f642c87...
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.