OpenTechnical

OT-2026-000103176

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000103176) never changes.

Identity and time

Publication numberOT-2026-000103176 · never reused
Internal UUID01a0aea4-be3e-7d3f-bb48-0d6baaed3950 · 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-2026-000103176
StatusPUBLIC

Content hashes

Canonical text56d54986eef4aabb4c41bdd4609679df3455a58a4125a70e30057d1af71ef509
Markdownffec7ac46c3e8cb78e127c6219ea200b8406e7807e10775bdb7a41e458020b00
PDF
Publication page38f4960f595bebb2db02cf8e732cb19d4b91867628ecd48dbc6139d80e742369
Manifest43976800449cc8c6e018c5b53bf7697c8e00a2b3a0ffca51ba9b2385dd55492e

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
Signature2/wyhPYqsaWyDjCx2ZVhMRJkFjU1E8e6tm3fxTOLelk9aa32F2puDlGKwuAxhJm+Zi2IToTxwRJly4J6J+9rAQ==
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

2026-09-17T09:23:23.703454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103176
observed 38f4960f595bebb2db02cf8e732cb19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.685674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103176/manifest.json
observed 43976800449cc8c6e018c5b53bf7697c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.666737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103176/publication.md
observed ffec7ac46c3e8cb78e127c6219ea200b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.647299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103176/publication.txt
observed 56d54986eef4aabb4c41bdd4609679df...
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.