OpenTechnical

OT-2026-000061546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000061546) never changes.

Identity and time

Publication numberOT-2026-000061546 · never reused
Internal UUID01a0ae8b-7b44-7054-8b23-419b91581333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061546
StatusPUBLIC

Content hashes

Canonical text8295b7620c9b616374b54e4b721881dca8690f20c206c33d9e952975079dd53f
Markdown375d2fa98f4a4b55efea8af4d2e164f3f83bd4c8aabab7deea0a3bedc20c0ba6
PDF
Publication page4aae36a7173d86dc9c00ff1853c4cfd20ca4426641bb54d9e0b218d638b0e04b
Manifestbbde30817f044af73d70de1d8ab383306c5bd8bd9ec2445eb5069cbd3618d9ca

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
Signature6RQT/aHx1ABluje7xJ21tX0mQC5mbsR2V50rHPTtSfS/rLAzjOYiaVKHnEN2Zze7p5M2RllPWD5dBnxrbY9mBw==
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...

Independent retrieval

2026-09-17T10:41:27.368385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061546
observed 4aae36a7173d86dc9c00ff1853c4cfd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.351725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061546/manifest.json
observed bbde30817f044af73d70de1d8ab38330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.334522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061546/publication.md
observed 375d2fa98f4a4b55efea8af4d2e164f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.316935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061546/publication.txt
observed 8295b7620c9b616374b54e4b721881dc...
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.