OpenTechnical

OT-2026-000056182

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000056182) never changes.

Identity and time

Publication numberOT-2026-000056182 · never reused
Internal UUID01a0ae87-0a4c-7686-abe0-34611c490620 · 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-2026-000056182
StatusPUBLIC

Content hashes

Canonical text7d2db75b06dc9a7453e72f4a593bd3636a8927b2c1f94b8eabd3569ed1eb1621
Markdown1226e62f112582eb9256ccc4843c45607c5ebc1a32350e81603516a5d84427bf
PDF
Publication pageb600fe6c6fa806251cf1bbfd72779a6a2448f923336ce3b5b4ef55216f3539a0
Manifesta0790489c6d0de18b6ce55bdb335450c01a5984636f3f25df2115e6ddcab23f4

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
SignatureCbGSiTQ+e5d674X8KBfLb5ABFVHgo2OGxQQIigEzNOxvqFOYcsYmM1i8OJ1iLDMU4DuVrzfhD+SUQTsi7H6lAQ==
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

2026-09-17T10:51:44.713213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056182
observed b600fe6c6fa806251cf1bbfd72779a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.694842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056182/manifest.json
observed a0790489c6d0de18b6ce55bdb335450c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.675723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056182/publication.md
observed 1226e62f112582eb9256ccc4843c4560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.656878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056182/publication.txt
observed 7d2db75b06dc9a7453e72f4a593bd363...
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.