OpenTechnical

OT-2026-000026516

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000026516) never changes.

Identity and time

Publication numberOT-2026-000026516 · never reused
Internal UUID01a0ae71-f4a8-781b-9a5f-50c5c782b51d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026516
StatusPUBLIC

Content hashes

Canonical text7e8adb4a22449e3fb7d9c04e811ba8be33f04d305a82277b0f772fc953e7ffc3
Markdown4b6e70e115afd923ab49da39a8fe9b93760df04e3b11699eddb07e3b47261de6
PDF
Publication paged8b86f201082c018263cccbcd623db0badce0f4bf9162d17a2cf757660980e43
Manifestbe87324c6ff3e10201619f1cd309bec53cdfa63233f1067b21b0b6c056889289

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
SignatureSTFns+0IaEP9uS3UPD7FsPFyCU32gDXtyysNhMhqENChVVgax3qH0XeJUzDYg0uhaAg7qlgvvSQgK7hz5AdoDA==
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

2026-09-17T11:44:38.576801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026516
observed d8b86f201082c018263cccbcd623db0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.556797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026516/manifest.json
observed be87324c6ff3e10201619f1cd309bec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.539127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026516/publication.md
observed 4b6e70e115afd923ab49da39a8fe9b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.519616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026516/publication.txt
observed 7e8adb4a22449e3fb7d9c04e811ba8be...
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.