OpenTechnical

OT-2026-000035915

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000035915) never changes.

Identity and time

Publication numberOT-2026-000035915 · never reused
Internal UUID01a0ae76-b4c9-726a-bdd7-49ad2b4b0296 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035915
StatusPUBLIC

Content hashes

Canonical textd69244fe1dafd0ca9693d13390dc85317794c89d85c48925afb1ecfbb9bc8f52
Markdown5652fbdf06d973902abc2bbd155a510deb7e119b72a1598476a617703c14c829
PDF
Publication pagefcf66c9d30a922b48872e4e73f109ff841f75e1c4d746d0080bc83aa8a2bedfc
Manifestc6d85120d7fa48a950400ed3a541b28ec045bdd46803a00ee1197f538c8120a4

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
SignatureeTNlvJqBrzj4cVaPOXm2dVqXC1Zsh6idvio3+940pAYeyZYig7Z8J/q6RCSI7kn9i+0JFKwRxGiYYNPjGZ0YAg==
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

2026-09-17T11:27:45.417567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035915
observed fcf66c9d30a922b48872e4e73f109ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:45.399117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035915/manifest.json
observed c6d85120d7fa48a950400ed3a541b28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:45.378360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035915/publication.md
observed 5652fbdf06d973902abc2bbd155a510d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:45.351555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035915/publication.txt
observed d69244fe1dafd0ca9693d13390dc8531...
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.