OpenTechnical

OT-2026-000051854

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000051854) never changes.

Identity and time

Publication numberOT-2026-000051854 · never reused
Internal UUID01a0ae83-7c84-71b2-8f0b-7af375dfb122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051854
StatusPUBLIC

Content hashes

Canonical textefd9ca8148bff92518c93c4dcd254d785cee7355fb1e4ccb188fbbd2cbe6829a
Markdown37abe0daa639632b73c7a56d3ce55f667fddd5d79bdecf2594a04422e8cfe9fa
PDF
Publication pagedad64a40f6aaa5bb4073a20192155c2c697e2adef0e9feec87419cf55a730eb6
Manifest225d813394fa47f89dc28099242edc9445f87f0ef7f4291b171fd8cae19d9077

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
Signature2AZ3bd5QxICReJvxlVR127+1WSiLyngJ3WDRT+Zd6NNXH7lzLzZ39Mxvs4gYulF2QA9fKv2XwosuHOQ1z8Z2DA==
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

2026-09-17T10:58:47.154543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051854
observed dad64a40f6aaa5bb4073a20192155c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.136124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051854/manifest.json
observed 225d813394fa47f89dc28099242edc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.115344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051854/publication.md
observed 37abe0daa639632b73c7a56d3ce55f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.094484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051854/publication.txt
observed efd9ca8148bff92518c93c4dcd254d78...
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.