OpenTechnical

OT-2026-000089367

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089367) never changes.

Identity and time

Publication numberOT-2026-000089367 · never reused
Internal UUID01a0ae9b-db01-7a91-9430-f12cabbd12d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089367
StatusPUBLIC

Content hashes

Canonical text620a3c7eb9a7b1c78bfb6587a9fd270fc8c0ff24ea7a7e43e46136fa459d2028
Markdown7c67f951cb173cca0e4d89a602ccad3f3dea2480997e6b4ee3e16a991c6fe1f8
PDF
Publication page5e7f466afb79efa9166462f49a1f0aa544a5539e9a587f9f40d68f85f86e3160
Manifest0e8cee112d67c992645cfcfd98d58241883af9072ab166bfd4fdfefda95b9d42

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
SignaturemSDWxCRXglIt+QYwMKLOMA7+vO6AbRwjMQLxMBCajzGuYF45peCnTfcEOtg6KRhdSt9eZRTBc/eQskkEq9OtCg==
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

2026-09-17T09:47:30.159449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089367
observed 5e7f466afb79efa9166462f49a1f0aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.143266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089367/manifest.json
observed 0e8cee112d67c992645cfcfd98d58241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.123832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089367/publication.md
observed 7c67f951cb173cca0e4d89a602ccad3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.105551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089367/publication.txt
observed 620a3c7eb9a7b1c78bfb6587a9fd270f...
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.