OpenTechnical

OT-2026-000080917

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000080917) never changes.

Identity and time

Publication numberOT-2026-000080917 · never reused
Internal UUID01a0ae96-b975-7630-aff8-1646d9ce7240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080917
StatusPUBLIC

Content hashes

Canonical textd2e553fd3cd02a227bbe057cdf64b12d5f64deb220b2ce7de6544c8ae87bd06b
Markdown4187278e0700b890497c839ed19efc63d78f4609bf8d8828218842627577f504
PDF
Publication page00587bef97b5c827de69613849017e73c2632cf86aec44c47a0d6759248baae3
Manifest573d6b2152fca84be740d4c58ac6ed9e24a6e7b819025d53ed2510dbe2482c9d

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
SignatureErFPy98PLN3pF9ptZ3qI2dS4ilx+bgtI1j2HI6YHRmu5NFYElz18BrBGMPOKbNWqsbRacvIZduSrTsqm3j4jAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:07.170939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080917
observed 00587bef97b5c827de69613849017e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.153757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080917/manifest.json
observed 573d6b2152fca84be740d4c58ac6ed9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.136247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080917/publication.md
observed 4187278e0700b890497c839ed19efc63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.118840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080917/publication.txt
observed d2e553fd3cd02a227bbe057cdf64b12d...
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.