OpenTechnical

OT-2026-000032539

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000032539) never changes.

Identity and time

Publication numberOT-2026-000032539 · never reused
Internal UUID01a0ae75-106f-73ec-a03a-77c4d1fb55aa · 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-2026-000032539
StatusPUBLIC

Content hashes

Canonical text1586c67b9a35eb57901aae3bf01363af022053fb5353654abf1a7950b1a29959
Markdowndf19accfbe5a09b9dcd7203c26d5361918fe1b6da4b12495bc7e49a39935c8fc
PDF
Publication page7e2539a44c8f847ef5a304f4a022705052b0fff9d86e28975c094bf720dff916
Manifestdfb3cf8f1e15793d376947243668584639b1d5ab90dcb2b46c60b1002460e514

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
SignatureXlSoVfwGpyWKz/NnqC5dXHuMtBY7jCJmCJOGggfGDkvhYVp5pDNOBf0BHdaCuUfi+cx+Jje+zl/Cu4npor61Aw==
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

2026-09-17T11:34:06.128191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032539
observed 7e2539a44c8f847ef5a304f4a0227050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.112070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032539/manifest.json
observed dfb3cf8f1e15793d3769472436685846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.095019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032539/publication.md
observed df19accfbe5a09b9dcd7203c26d53619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.078296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032539/publication.txt
observed 1586c67b9a35eb57901aae3bf01363af...
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.