OpenTechnical

OT-2026-000026371

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000026371) never changes.

Identity and time

Publication numberOT-2026-000026371 · never reused
Internal UUID01a0ae71-f4a7-76f4-b4e3-d011ccaf5354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026371
StatusPUBLIC

Content hashes

Canonical text25f61d583ffcb539d22987e2e86245d93954aa92901ece053be555516a05ee2c
Markdown489b03e6df6b0e0af020412bf3da4fd7e4d8d371fdf569567e35ab4692f3057a
PDF
Publication page6d2ef505d4a13640806323e4ebd62064a3e79f4f331861b87ea1cbd66380a8f5
Manifestf146ac79fb986275ddc12d94b7eb9aa0fc0dd39108e09e638da4d668c6de63de

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
Signaturej/8k+RNgHzDhFfcOfcYd+iIuprQJCOxgbPHazGJGrDiMM6f/Ep7N7V/letLuWN3WY6r0kIExvxRENMGOd1lVDg==
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

2026-09-17T11:44:21.006058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026371
observed 6d2ef505d4a13640806323e4ebd62064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:20.985437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026371/manifest.json
observed f146ac79fb986275ddc12d94b7eb9aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:20.959728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026371/publication.md
observed 489b03e6df6b0e0af020412bf3da4fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:20.940922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026371/publication.txt
observed 25f61d583ffcb539d22987e2e86245d9...
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.