OpenTechnical

OT-2026-000070688

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000070688) never changes.

Identity and time

Publication numberOT-2026-000070688 · never reused
Internal UUID01a0ae91-8c2c-7bc0-9cad-37ee0cf92d75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070688
StatusPUBLIC

Content hashes

Canonical text1dc34dc1d006d933cac5038a57e8ab261d9b266532d9538e085e0e063dd1d5c2
Markdown4c509f0305b5b64779571d1dcf55d69c0d21a64fcc4b1b5c26156b5338a8fc3f
PDF
Publication page427ae60a8b6941126a7622517c7179a6ca310df176091aa8134cf9af36ac888e
Manifest29c32807e6a1e280a688e38506e7db55ff3f9b1b004668d8f22f1fdf8ea72610

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
Signature4jNvtiaVnw/W/s1x+y5N7rVsjU0a2fLTsI0CG22vZtiWHMP0dZ8FH/yFJh4Wi2F8S33K19K0vvyojhRTiIJFAQ==
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

2026-09-17T10:25:22.134578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070688
observed 427ae60a8b6941126a7622517c7179a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.119262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070688/manifest.json
observed 29c32807e6a1e280a688e38506e7db55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.103749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070688/publication.md
observed 4c509f0305b5b64779571d1dcf55d69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:22.087730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070688/publication.txt
observed 1dc34dc1d006d933cac5038a57e8ab26...
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.