OpenTechnical

OT-2026-000055938

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000055938) never changes.

Identity and time

Publication numberOT-2026-000055938 · never reused
Internal UUID01a0ae87-0a4a-75a8-933e-3cd35ca89560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055938
StatusPUBLIC

Content hashes

Canonical text3a67dd8a7a86e78591bfa3389d55b2744823aa3373115d8f578df1f04d37274a
Markdown644e6f9dc10a987011996f70b3f6b2ba5177475e2b7b5b0a5fb76442ed68e44d
PDF
Publication page709613ae8eddf00cdfc53b31c90442f2724b9284ec182e6787403679bce9f987
Manifest6d2dac9b9f4b696e28183f3e34f2d5442d13c934bec050cb86d73c3f5f2f38f7

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
Signature+RN2QmZhXS8qAQw88A/wIC1sZJvQproZJI40pzWrg2R2UKGUCYE3vRFOdR5nBJzZZ1NMX81G6FLp+170npcBDA==
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

2026-09-17T10:51:27.398109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055938
observed 709613ae8eddf00cdfc53b31c90442f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.380327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055938/manifest.json
observed 6d2dac9b9f4b696e28183f3e34f2d544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.363193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055938/publication.md
observed 644e6f9dc10a987011996f70b3f6b2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.343907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055938/publication.txt
observed 3a67dd8a7a86e78591bfa3389d55b274...
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.