OpenTechnical

OT-2026-000082744

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000082744) never changes.

Identity and time

Publication numberOT-2026-000082744 · never reused
Internal UUID01a0ae97-8cc9-74b3-a6da-615bdf95e3ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082744
StatusPUBLIC

Content hashes

Canonical texte155edb5b8fe8362ccd086ebfaf8fc43de577442a158c82d8cb13c399b658553
Markdownf74b1dbcc9fb22037f46346814d96826c5790a21def6a883fd27de5ebcc32b8a
PDF
Publication page6b16eda6f92102a27c0dd82715dbdb9ca1000ec53ced433165eb717d97bb31b3
Manifestcb54846f390d5a70fd89a023deddd15bed874bd80b618c65943934f565b4e631

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
SignaturerxEHw7wJWttzSNbmp0vz7gv60zoeNflLyzakSmL9rWj1CEVO+F3iNN41j58UpNJbCSSOj96uWNsL7QCXi9hBDw==
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

2026-09-17T09:58:19.548511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082744
observed 6b16eda6f92102a27c0dd82715dbdb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.532555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082744/manifest.json
observed cb54846f390d5a70fd89a023deddd15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.516086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082744/publication.md
observed f74b1dbcc9fb22037f46346814d96826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.499128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082744/publication.txt
observed e155edb5b8fe8362ccd086ebfaf8fc43...
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.