OpenTechnical

OT-2026-000052967

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000052967) never changes.

Identity and time

Publication numberOT-2026-000052967 · never reused
Internal UUID01a0ae84-a430-79d2-8dbc-52507ea91763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052967
StatusPUBLIC

Content hashes

Canonical text4b8c65a47330f1dd832f58fe2d7d0cef033e6fd0ffc7654900b4e6cc1bfcf548
Markdown59ccdbbf86744fabab2f66c18e78f3db5e0f7917ff3905ecfcac5285b66feed6
PDF
Publication page4ab8ea2f4c37ae1d053fff74e6cb2b2530c3df6d1c3f008424fe4dc8e137b09e
Manifestb2e02de9292849b3e740a8ae9148664a4126058ffd6065424be69de90b9e2d63

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
SignatureV41SS7RHyZooHkfVLN3pa3Gl/Na54qA1l5ZZ3GObXSGnev9aMG0/UGUtItYtzcGYkQTCQMm0PFjfgzNg/zxIDQ==
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

2026-09-17T10:56:39.159828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052967
observed 4ab8ea2f4c37ae1d053fff74e6cb2b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.141021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052967/manifest.json
observed b2e02de9292849b3e740a8ae9148664a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.122411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052967/publication.md
observed 59ccdbbf86744fabab2f66c18e78f3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.104670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052967/publication.txt
observed 4b8c65a47330f1dd832f58fe2d7d0cef...
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.