OpenTechnical

OT-2026-000052182

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000052182) never changes.

Identity and time

Publication numberOT-2026-000052182 · never reused
Internal UUID01a0ae83-e790-7a45-9f1e-7c011201e6b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052182
StatusPUBLIC

Content hashes

Canonical textd540ef8dbfe4f3850c1fad67a76220563db72db09e0f18bb208a12b87ca77b89
Markdown03e55ed44406376ef377bab09e7f9ea9a88d6a5534903f12d8939936988bba17
PDF
Publication pagebb17b5919d61587c59d45c0f57888bef6b27061b07550b54e473a0a8b6591ddd
Manifest11dc0ac3172249e06c39cc097413542f279d83204e3f197212cbcc6110cf4726

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
SignatureJPMLPGoe857QEJ7cC5/3VJKR4JLxojgekv2NVtbi+6ENvAaYVNuavmOuaOnZWynkbus4uFnptVhT6QU5DisCBA==
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

2026-09-17T10:57:44.655127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052182
observed bb17b5919d61587c59d45c0f57888bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.637158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052182/manifest.json
observed 11dc0ac3172249e06c39cc097413542f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.618751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052182/publication.md
observed 03e55ed44406376ef377bab09e7f9ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.599881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052182/publication.txt
observed d540ef8dbfe4f3850c1fad67a7622056...
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.