OpenTechnical

OT-2026-000101085

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000101085) never changes.

Identity and time

Publication numberOT-2026-000101085 · never reused
Internal UUID01a0aea3-c377-7a94-bec2-66837ad13f5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101085
StatusPUBLIC

Content hashes

Canonical text4f2a84a6567ade81ba31641f6b0bda7078dfe28ad84cf0e9883ebf817849b2b7
Markdown15dba07a0a4b667d71a276fb155af418ca3dabd996b2e63a2dde0f21dd013eb9
PDF
Publication page88b0131973ea3f3bf553f152256f262bdebfcb87d327c9346b6a95d89b70f907
Manifest6afe5df42fe11cb4d5e567c264c3bb0bf15b17414e5c5264d3417635ddb48eff

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
SignatureIrgXfzWtd0R/sBFSZvz6vKoAKln+DllpRiApvw9n7p9cAa0ayZEpRc/HWTmDGdiNAw42gwBSlnUlaIKYErD+Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:42.409779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101085
observed 88b0131973ea3f3bf553f152256f262b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.392732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101085/manifest.json
observed 6afe5df42fe11cb4d5e567c264c3bb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.374362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101085/publication.md
observed 15dba07a0a4b667d71a276fb155af418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.358076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101085/publication.txt
observed 4f2a84a6567ade81ba31641f6b0bda70...
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.