OpenTechnical

OT-2026-000051985

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000051985) never changes.

Identity and time

Publication numberOT-2026-000051985 · never reused
Internal UUID01a0ae83-e78e-7f56-867c-8cdfedb72f6d · 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-2026-000051985
StatusPUBLIC

Content hashes

Canonical text880611c83b739e8f6055fb13c0324988f970bd7bf958988cd77e25f9294980dc
Markdown2aff36eb39c1d1cfe168dd16c650647aa216cc3732e495370ec8dc67721e16d1
PDF
Publication page880ddc809b12fac6bd40ebd1b4b9ec7ace8e57b3477abb02ee42deb9f48cb5e2
Manifestcd6b052b9eb2696bbc907456c4046721a07c45f798e31ec70448f8b7db48ce41

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
SignaturejWJgscpMmh/h5+XKR8llL9gZX2wrtN7XRT57G61Um64dlqIuDazgsuKRxpCzYeTUh+tgbZsutY3R3pdy3FMVCQ==
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

2026-09-17T10:57:29.206862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051985
observed 880ddc809b12fac6bd40ebd1b4b9ec7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.189140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051985/manifest.json
observed cd6b052b9eb2696bbc907456c4046721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.171599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051985/publication.md
observed 2aff36eb39c1d1cfe168dd16c650647a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.153267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051985/publication.txt
observed 880611c83b739e8f6055fb13c0324988...
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.