OpenTechnical

OT-2026-000068248

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000068248) never changes.

Identity and time

Publication numberOT-2026-000068248 · never reused
Internal UUID01a0ae90-247f-732b-9944-83706fb61c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068248
StatusPUBLIC

Content hashes

Canonical textfa26163f9e1425da94ee08cd0162c60ca368402d4f512f7bfce9533c97bf6311
Markdownb825aaf26d304a1a6900a912d652d821101ab90888fb504ef3d5cb11a359283b
PDF
Publication pagee7c3c439236f4071b0f42db823c33f7f5ec564dfba70209b10d2ed7ffebdeb49
Manifeste0333abcdcdf57e13631b368027e50c77ffb2030f50d70fb837387c6942ab2bb

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
SignatureGzWIXM42XypbyV0Z8uTOyKl+F0X75kiSN4PntCD7GrMnKUxkgHU5oRCsE2aHMFMWoLEVGNDzyd/4AUO46y46Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:16.189626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068248
observed e7c3c439236f4071b0f42db823c33f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.172049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068248/manifest.json
observed e0333abcdcdf57e13631b368027e50c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.153721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068248/publication.md
observed b825aaf26d304a1a6900a912d652d821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.136460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068248/publication.txt
observed fa26163f9e1425da94ee08cd0162c60c...
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.