OpenTechnical

OT-2026-000056962

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056962) never changes.

Identity and time

Publication numberOT-2026-000056962 · never reused
Internal UUID01a0ae87-7af9-78cc-895b-27ff6357417a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056962
StatusPUBLIC

Content hashes

Canonical text2a88b0f5d78449f954012917b5318e13b2c836e7eff0346f6853a580cd35ca9d
Markdown557361d85fec80007861ca573aa4301df8ebc9d1eba95e16b9a685c19e4148e1
PDF
Publication pageb64ae62f423a1c4c5a09c9c5456dfdc8bf244ea1f12fe4eaece3095de6cf5e90
Manifest2335ea8041baee073242c589f477ba871a4ec86e9c1c9bbfd68b8faa01689808

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
SignatureTYqtLgNGRGaKBjLZVQTZwi6T5sXPH6LS5/DwGyuI/MxmCfgJgeC26H3OFOlFd3et2deZjDJVkCIeT02If8WwBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:31.050284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056962
observed b64ae62f423a1c4c5a09c9c5456dfdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.030712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056962/manifest.json
observed 2335ea8041baee073242c589f477ba87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.013021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056962/publication.md
observed 557361d85fec80007861ca573aa4301d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.993717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056962/publication.txt
observed 2a88b0f5d78449f954012917b5318e13...
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.