OpenTechnical

OT-2026-000100076

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000100076) never changes.

Identity and time

Publication numberOT-2026-000100076 · never reused
Internal UUID01a0aea3-1474-77a7-af89-ce68099170f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100076
StatusPUBLIC

Content hashes

Canonical text9135977bae9c150cac9f5f46bf715230dae62681f800d53383b0a51d1f4500c6
Markdown037392c19e0a3f085e8c4fdd4b932905392d09d133d84085338eb19d16eb6e82
PDF
Publication page89b4c806731c173490c0e44027700767f5b0437bbf9e1419a9f07a6dba2bba5d
Manifest584a9589528213b15f97608c311aa3f60b12252423ddc8c99aae76145656cbc9

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
SignatureFhCSg2cSm6Or55PNK2DPeswxv8RX7IRubIO8VNEoTqdcQvnyMajO2l4t5nWlYTNQgXtfadWvkr2eJh0jtMWOAg==
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

2026-09-17T09:29:01.553652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100076
observed 89b4c806731c173490c0e44027700767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.535235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100076/manifest.json
observed 584a9589528213b15f97608c311aa3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.514521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100076/publication.md
observed 037392c19e0a3f085e8c4fdd4b932905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.496230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100076/publication.txt
observed 9135977bae9c150cac9f5f46bf715230...
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.