OpenTechnical

OT-2026-000041871

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000041871) never changes.

Identity and time

Publication numberOT-2026-000041871 · never reused
Internal UUID01a0ae79-e8a5-7b31-b67c-bb6294e74962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041871
StatusPUBLIC

Content hashes

Canonical text7c3e58a56681aa0c81636302a712689472cb6d32645d0f23781bf00dd63c2349
Markdowne8d720985a9016f02cd060e509a1ba617aa48741658e7907412804cd8b4044f1
PDF
Publication pagef5a8e2fa86fe3fe681fbbce841164a70bd131a555f6bbc05751d10c4f53dca16
Manifestd8efa4118e10e263292af0fcde7cc9a2378f7f906c469cddcfe28d8d8febdd2d

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
SignatureihSIZHBv/iKHRoSS17bbXcThB6yykNziISo9vd0dKlXXuTEakLfdd/skUVKpj09HtdhDwaFMnEpCbYDkIoSdBg==
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

2026-09-17T11:16:44.658590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041871
observed f5a8e2fa86fe3fe681fbbce841164a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.640256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041871/manifest.json
observed d8efa4118e10e263292af0fcde7cc9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.622909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041871/publication.md
observed e8d720985a9016f02cd060e509a1ba61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.603914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041871/publication.txt
observed 7c3e58a56681aa0c81636302a7126894...
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.