OpenTechnical

OT-2026-000033038

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000033038) never changes.

Identity and time

Publication numberOT-2026-000033038 · never reused
Internal UUID01a0ae75-4843-75f5-816b-5fcfd4da72c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033038
StatusPUBLIC

Content hashes

Canonical text21b819f15322fdbb5c1a3cee9c3a21036fb819dfa7978ee0383f90f7fff9eb32
Markdown042b296d206287df20dd0d2f7961c4f93c792fc341d1a3a3426d3df57e1853b9
PDF
Publication pagece0a7b443c966af5d7b05cceef6941a4faf6811fb111d81b706f97697bb1d0da
Manifest4861293824a54912780e3124879bccdf1fb9eebc8bf43695a89a74737aca5773

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
SignatureHNybqVSCCMzt1DrRv14RHDCQJM+1BFLW63CZHTIlVleHGSh2r4jQWzA05VTjsdn/R3sB5iDVNYCm4dt6THZRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:40.484574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033038
observed ce0a7b443c966af5d7b05cceef6941a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.466205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033038/manifest.json
observed 4861293824a54912780e3124879bccdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.444078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033038/publication.md
observed 042b296d206287df20dd0d2f7961c4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.423923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033038/publication.txt
observed 21b819f15322fdbb5c1a3cee9c3a2103...
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.