OpenTechnical

OT-2026-000059641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000059641) never changes.

Identity and time

Publication numberOT-2026-000059641 · never reused
Internal UUID01a0ae89-ec24-7e2b-ae91-d54422fa6f3e · 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-2026-000059641
StatusPUBLIC

Content hashes

Canonical text35038528f762d4d36d97ddc8730501f7867a450863aa115cee197cf14f84a82b
Markdown8245992207253b08c3a88b753926e2b91ccd8d733018d983756885384a41d465
PDF
Publication page5ec3917a7b7945ac8c74156d5e17c1b0797301ede5d82ac73940c48d43e39678
Manifest27a1163dd37a42bde877d9c0a48ab0a60982aa4574d1d1cdc26ab8a6bd3e2b46

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
Signaturek4IOcGQ7KsFP8RvNWIiO7FbYU14wpWrkKrUx0P5MQJGhrLQ71w/f7uxG6krptjmcy2sbX8FGZf2jh1V4j5j5DQ==
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

2026-09-17T10:44:19.997770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059641
observed 5ec3917a7b7945ac8c74156d5e17c1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.977749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059641/manifest.json
observed 27a1163dd37a42bde877d9c0a48ab0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.958305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059641/publication.md
observed 8245992207253b08c3a88b753926e2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.940603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059641/publication.txt
observed 35038528f762d4d36d97ddc8730501f7...
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.