OpenTechnical

OT-2026-000054657

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000054657) never changes.

Identity and time

Publication numberOT-2026-000054657 · never reused
Internal UUID01a0ae86-1284-74e8-8eac-6d205a5ed3aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054657
StatusPUBLIC

Content hashes

Canonical text341e0ffb61dfc934af01e6889df765548cd5bd3c135d9c6f4f36e88f4d1a052b
Markdown6357469d93ed37b7f9b0b1809c0a11d613ab39b29c60eface9db508e7e2b8c82
PDF
Publication page117241795b2adb4ca9c3c1e01d429894867c96684f8b15cb393f04adbe762286
Manifestea1ed388474ea9be3db781c976e1823656debce18b4106724f70ff6294186347

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
SignaturemUvUBGnMBrIHf4LfWIqW2FaiSlsVcZdrr+ejKLOiWMaObp624eseLIQwtxHX2RC0mtBWOi+HnQgnuvY3D1jyDQ==
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

2026-09-17T10:53:43.673866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054657
observed 117241795b2adb4ca9c3c1e01d429894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.654592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054657/manifest.json
observed ea1ed388474ea9be3db781c976e18236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.615922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054657/publication.md
observed 6357469d93ed37b7f9b0b1809c0a11d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.578286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054657/publication.txt
observed 341e0ffb61dfc934af01e6889df76554...
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.