OpenTechnical

OT-2026-000032465

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, pulsed 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-2026-000032465) never changes.

Identity and time

Publication numberOT-2026-000032465 · never reused
Internal UUID01a0ae75-106f-74fc-9c11-2fbbf54f4b17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032465
StatusPUBLIC

Content hashes

Canonical text2845787f8812ad10afc0e6354e7bf70a63ccee39e8a6ae40e826c50b556e15da
Markdownd325026a7c2533565fb477ea665f702cbf1b328e8c1d7d63d68cfe131b32f295
PDF
Publication pagefcbf13c68160d1a62c9c6d8b97fdfbf16efb8d502cd6835194dd7f556ec2deb3
Manifest44c9346781753dc81d545c084a92c7efffe282bd1b55e84d655c20dee268a3ee

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
SignatureIwkhdNVK6OuxEnvNbuI9WJfxZAaPKuabexVW8f80fMHms29USHA3uHf3FNAZXrP/vfrDWZph5T5csevNMRhTBg==
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

2026-09-17T11:33:53.770005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032465
observed fcbf13c68160d1a62c9c6d8b97fdfbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.751998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032465/manifest.json
observed 44c9346781753dc81d545c084a92c7ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.734989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032465/publication.md
observed d325026a7c2533565fb477ea665f702c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.718916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032465/publication.txt
observed 2845787f8812ad10afc0e6354e7bf70a...
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.