OpenTechnical

OT-2026-000103074

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000103074) never changes.

Identity and time

Publication numberOT-2026-000103074 · never reused
Internal UUID01a0aea4-be3d-76cf-aaeb-350f9d472500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103074
StatusPUBLIC

Content hashes

Canonical text7ed0f2c7078ba248392d65fe99a0bb40dcd00d21cd62001c2ec62367db8705ff
Markdown75b1faeb44417e9219d3e730098a90ff65b3c7620b6e4004e4496af523e06b94
PDF
Publication page8fb83c9d6835cadfd29ce2d645d2fc56c1438d873185db9e2a2ed2f4d6f1d017
Manifesteb062f89dba224203334339ba52ba8a5abf70e014bee2b0e349c62d4e7e4792d

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
SignaturexFScOmwHk2PcymJkMMC2RiYiV75cr7W58n8NINMjmojq2vQzHVuy4bsiaYUE1Bba5C/gq9gacnP/biA1e6S5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:12.031902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103074
observed 8fb83c9d6835cadfd29ce2d645d2fc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.015456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103074/manifest.json
observed eb062f89dba224203334339ba52ba8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:11.997324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103074/publication.md
observed 75b1faeb44417e9219d3e730098a90ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:11.979522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103074/publication.txt
observed 7ed0f2c7078ba248392d65fe99a0bb40...
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.