OpenTechnical

OT-2026-000056009

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000056009) never changes.

Identity and time

Publication numberOT-2026-000056009 · never reused
Internal UUID01a0ae87-0a4a-75a3-9591-6b5586eccda7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056009
StatusPUBLIC

Content hashes

Canonical text57cdb18adc4f9f1bc41c81bb9ce3b9ddc38b9fca6e4e6d4e69141d596b4eb6c5
Markdownfff916df0e3984cd6ed2ba9809cf43db7bb1e637caee270ce8ee4b65785cb798
PDF
Publication page8e72d1b090b677fd3d1926b5cad4b890e435964df2787c51b9c71d8299ec18d4
Manifest616388b74144176034b22b2d6c5c0268c1d58319ddceb8eb5493d8930ed526b9

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
Signaturewp846Jct5RjdIX6U0LHzfCyrkkxppW3pjOBhDvHqoIwL6zQRziNoFanhDDpdE3FhpihLu7OyTN44FgZN37ZrDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:32.151712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056009
observed 8e72d1b090b677fd3d1926b5cad4b890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.135506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056009/manifest.json
observed 616388b74144176034b22b2d6c5c0268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.118958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056009/publication.md
observed fff916df0e3984cd6ed2ba9809cf43db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.101513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056009/publication.txt
observed 57cdb18adc4f9f1bc41c81bb9ce3b9dd...
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.